Revert "Log missing chain head as warning, not trace"

[garyschulte]

**Note to future selves** do not use the revert feature in github without manually adding a signoff line. Actually, just don't use revert!

Reverts #6127

this blows the logs up on a public networks. There are reasons other than missing chain head that we discard transactions, e.g.:

{"@timestamp":"2023-11-07T00:05:18,003","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x3124130967cb066ab9a6c5807a96f3147d354ae09f1bb8cda6b95c39033756f1={MessageCall, 51156, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x5549d54c0b7025b4ba0f38ae06df73ee2e3eb70d2b8865216c136df3d0779d71={MessageCall, 51157, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x97b1abe588275c401407c4c77146bfed484cac7d262baf3902239ed1df2205c1={MessageCall, 51158, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0xab615870b1fa53c6d3259e537b90c0fdbc171037b60586c9145c669dbd7df115={MessageCall, 51159, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x56c5a492629efd144aca16ef57c21455bd0685d4fd91e2f19ab8f8321c8e84c3={MessageCall, 51160, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0xce7da2376d040fb5b5463430558437ddd09126908087afc376ba6b98ed1f6dfb={MessageCall, 51161, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,004","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x99c1928d6df041948b4f0e86f7e081562880237d5bc5136446ab70db02be791f={MessageCall, 51162, 0xa76a91f8b0d7ef28d2b76a703bc0770ba8996bfc, EIP1559, mf: 12 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x9d51bca23612851f98ced6d4f7aac75356d45f58}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,084","level":"WARN","thread":"EthScheduler-Transactions-0","class":"TransactionPool","message":"Discard invalid transaction 0xcd3fab021ba2cb0022c71e873c87fcc44b5eca17bea6874bf9845f8e9f52080b={MessageCall, 12074, 0x6b78b7c287b21d4d65cb91bd84eb6b79ab9e8af5, EIP1559, mf: 24 wei, pf: 2 wei, gl: 31628, v: 0 wei, to: 0xff00000000000000000000000000000000000000}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,084","level":"WARN","thread":"EthScheduler-Transactions-0","class":"TransactionPool","message":"Discard invalid transaction 0xd5ffddbae76a7cf76e8a14ca88ae8cd1146758bc2b849406964b365cbfe8d9fb={MessageCall, 43067, 0xe02c9aef141d5bbf78fb20c5d46da5faa635cef7, EIP1559, mf: 24 wei, pf: 2 wei, gl: 26012, v: 0 wei, to: 0xff00000000000000000000000000000000042069}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,589","level":"WARN","thread":"EthScheduler-Transactions-0","class":"TransactionPool","message":"Discard invalid transaction 0x7b2183566b34e459f665df56d2173e0f295755db1a3384e46d5437b23ac9f014={MessageCall, 152692, 0x39b9c34ee948752e640cd01364036dc8468416b8, EIP1559, mf: 24 wei, pf: 2 wei, gl: 31000, v: 0 wei, to: 0xff00000000000000000000000000000000042069}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:18,911","level":"WARN","thread":"EthScheduler-Transactions-0","class":"TransactionPool","message":"Discard invalid transaction 0x541895f95660f310606b554c26b6ce02cd11472d4bdde32543705c0aa371ec26={MessageCall, 0, 0x4fa8acbc72b834f5976a75f917f66c384b3e09a9, FRONTIER, gp: 15 wei, gl: 21000, v: 114.65 finney, to: 0x3fdf957b0054d1617132d4d874eb41d4efe81cff}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:19,001","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x0309aa802e467da5a1cce6d7c52cf3553f897c58c98f52aae21bc0c41c501c3f={MessageCall, 58315, 0x046f8def6dba949b2e588a67bfa14faef584dfc4, EIP1559, mf: 19 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x117a5ab00f93469bea455f0864ef9ad8d9630cc9}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:19,002","level":"WARN","thread":"nioEventLoopGroup-3-9","class":"TransactionPool","message":"Discard invalid transaction 0x0ed8048bb4886786d1099089e1a735249cbe0c9f993d468d91d746d6d82846ad={MessageCall, 58322, 0x046f8def6dba949b2e588a67bfa14faef584dfc4, EIP1559, mf: 19 wei, pf: 2 wei, gl: 800000, v: 0 wei, to: 0x117a5ab00f93469bea455f0864ef9ad8d9630cc9}, reason GAS_PRICE_TOO_LOW","throwable":""}
{"@timestamp":"2023-11-07T00:05:19,229","level":"WARN","thread":"EthScheduler-Transactions-0","class":"TransactionPool","message":"Discard invalid transaction 0x7aef4bc36c4a77f421f9a487bbcdca35b465ecd4a0a6f01a65e7ed1abe5fa1ec={MessageCall, 270917, 0xbaec44f49df3578749fb299769d723eaccddb605, EIP1559, mf: 24 wei, pf: 2 wei, gl: 26620, v: 0 wei, to: 0xff00000000000000000000000000000000042069}, reason GAS_PRICE_TOO_LOW","throwable":""}

[github-actions]

• I thought about documentation and added the doc-change-required label to this PR if updates are required.
• I thought about the changelog and included a changelog update if required.
• If my PR includes database changes (e.g. KeyValueSegmentIdentifier) I have thought about compatibility and performed forwards and backwards compatibility tests