tests(phpstan): Remove ignored rule that has been fixed in PHPStan

composer.json

@@ -27,6 +27,6 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0 || ^7.0",
-        "phpstan/phpstan": "^0.12.5"
+        "phpstan/phpstan": "^0.12.25"
     }
 }

phpstan.neon

@@ -81,5 +81,3 @@ parameters:
             message: "#^Method Drupal\\\\Sniffs\\\\Files\\\\LineLengthSniff\\:\\:checkLineLength\\(\\) should return false\\|null but return statement is missing\\.$#"
             count: 1
             path: coder_sniffer/Drupal/Sniffs/Files/LineLengthSniff.php
-        # We support PHP 7.0 which does not have the "void" return type hint.
-        - '#^Method .+ has no return typehint specified\.$#'