Remove no longer needed FUNC_ARGS_TRAILING_COMMA attribute usage marker on downgrade rules (#250)

Author: samsonasik

rules/DowngradePhp73/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector.php

@@ -91,7 +91,6 @@ public function refactor(Node $node): ?Node
         }
 
         // remove comma
-        $lastArg->setAttribute(AttributeKey::FUNC_ARGS_TRAILING_COMMA, false);
         $node->setAttribute(AttributeKey::ORIGINAL_NODE, null);
 
         return $node;

rules/DowngradePhp73/Rector/Unset_/DowngradeTrailingCommasInUnsetRector.php

@@ -68,7 +68,6 @@ public function refactor(Node $node): ?Node
             }
 
             // remove comma
-            $last->setAttribute(AttributeKey::FUNC_ARGS_TRAILING_COMMA, false);
             $node->setAttribute(AttributeKey::ORIGINAL_NODE, null);
 
             return $node;

rules/DowngradePhp80/Rector/ClassMethod/DowngradeTrailingCommasInParamUseRector.php

@@ -123,7 +123,6 @@ private function cleanTrailingComma(Closure|ClassMethod|Function_ $node, array $
         }
 
         $node->setAttribute(AttributeKey::ORIGINAL_NODE, null);
-        $last->setAttribute(AttributeKey::FUNC_ARGS_TRAILING_COMMA, false);
 
         return $node;
     }