Removed PHPStan override

Author: Gary Rutland

.github/workflows/lint.yaml

@@ -10,10 +10,6 @@ on:
         type: boolean
         required: false
         default: false
-      validate-php-phpstan:
-        type: boolean
-        required: false
-        default: false
       regex-exclude:
         type: string
         required: false
@@ -44,7 +40,7 @@ jobs:
           VALIDATE_ENV: false
           VALIDATE_CHECKOV: false
           VALIDATE_JSCPD: false
-          VALIDATE_PHP_PHPSTAN: ${{ inputs.validate-php-phpstan }}
+          VALIDATE_PHP_PHPSTAN: false
           VALIDATE_PHP_PSALM: false
           VALIDATE_SQLFLUFF: false
           VALIDATE_TERRAFORM_TFLINT: false