chore: remove deprecated PHP_CS_FIXER_IGNORE_ENV (#2075)

Author: OskarStark

.github/workflows/ci.yaml

@@ -65,7 +65,7 @@ jobs:
                   composer-options: "--prefer-dist"
 
             - name: "Run friendsofphp/php-cs-fixer"
-              run: "PHP_CS_FIXER_IGNORE_ENV=1 vendor/bin/php-cs-fixer fix --diff --verbose"
+              run: "vendor/bin/php-cs-fixer fix --diff --verbose"
 
     composer-normalize:
         name: composer normalize

Makefile

@@ -10,7 +10,7 @@ tests:
 
 .PHONY: cs
 cs: vendor
-	PHP_CS_FIXER_IGNORE_ENV=1 symfony php vendor/bin/php-cs-fixer fix --diff --verbose
+	symfony php vendor/bin/php-cs-fixer fix --diff --verbose
 
 .PHONY: static-code-analysis
 static-code-analysis: