Removed slevomat coding standard again because Sylius' coding standard was updated

Author: loevgaard

composer.json

@@ -7,12 +7,11 @@
         "ergebnis/composer-normalize": "^2.6.1",
         "korbeil/phpstan-generic-rules": "^0.2.4",
         "phpstan/extension-installer": "^1.0.4",
-        "phpstan/phpstan": "^0.12.35",
+        "phpstan/phpstan": "^0.12.37",
         "phpstan/phpstan-doctrine": "^0.12.19",
         "phpstan/phpstan-strict-rules": "^0.12.4",
         "phpstan/phpstan-webmozart-assert": "^0.12.7",
-        "slevomat/coding-standard": "^6.3",
-        "sylius-labs/coding-standard": "^3.2",
+        "sylius-labs/coding-standard": "^3.2.1",
         "thecodingmachine/phpstan-safe-rule": "^1.0",
         "vimeo/psalm": "^3.13"
     },