Remove an unnecessary constant flag modification

Author: sj-i

Zend/zend_inheritance.c

@@ -2280,9 +2280,6 @@ static void do_inherit_trait_constant(zend_string *name, zend_class_constant *c,
 		if (Z_TYPE(c->value) == IS_CONSTANT_AST) {
 			ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
 			ce->ce_flags |= ZEND_ACC_HAS_AST_CONSTANTS;
-			if (traits[current_trait]->ce_flags & ZEND_ACC_IMMUTABLE) {
-				Z_CONSTANT_FLAGS(c->value) |= CONST_OWNED;
-			}
 		}
 
 		c->ce = ce;