Revert "fix overview pickling (#1508)"

This reverts commit 2cecaf9 in favor of #1509

bittensor/commands/overview.py

@@ -116,18 +116,12 @@ def run(cli: 'bittensor.cli'):
             }
             all_hotkey_addresses = list(hotkey_addr_to_wallet.keys())
 
-            # Create a copy of the config without the parser and formatter_class.
-            ## This is needed to pass to the ProcessPoolExecutor, which cannot pickle the parser.
-            copy_config = cli.config.copy()
-            copy_config['__parser'] = None
-            copy_config['formatter_class'] = None
-
             # Pull neuron info for all keys.
             ## Max len(netuids) or 5 threads.
             with ProcessPoolExecutor(max_workers=max(len(netuids), 5)) as executor:
                 results = executor.map(
                     OverviewCommand._get_neurons_for_netuid,
-                    [(copy_config, netuid, all_hotkey_addresses) for netuid in netuids],
+                    [(cli.config, netuid, all_hotkey_addresses) for netuid in netuids],
                 )
                 executor.shutdown(wait=True)  # wait for all complete