refactor #13987 Remove custom error level on Phpspec (loic425)

This PR was merged into the 1.11 branch.

Discussion
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| Q               | A                                                            |
|-----------------|--------------------------------------------------------------|
| Branch?         | 1.11
| Bug fix?        | no                                                       |
| New feature?    | no                                                       |
| BC breaks?      | no                                                       |
| Deprecations?   | no
| Related tickets |     |
| License         | MIT                                                          |

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This is not needed anymore since #13921

Commits
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1009082 Remove custom error level on Phpspec

phpspec.yml.dist

@@ -1,5 +1,3 @@
-runner.maintainers.errors.level: 22527 # E_ALL ^ E_STRICT ^ E_DEPRECATED
-
 suites:
     Addressing: { namespace: Sylius\Component\Addressing, psr4_prefix: Sylius\Component\Addressing, spec_path: src/Sylius/Component/Addressing, src_path: src/Sylius/Component/Addressing }
     Attribute: { namespace: Sylius\Component\Attribute, psr4_prefix: Sylius\Component\Attribute, spec_path: src/Sylius/Component/Attribute, src_path: src/Sylius/Component/Attribute }