Fix errors destroying script with static variables

Fixes #78376
After #78138 'script_list' is now cleared in 'GDScriptLanguage::finish'
Because of that, we can safely remove the removal from that list that
happens on 'GDScript::~GDScript'.

modules/gdscript/gdscript.cpp

@@ -1538,11 +1538,9 @@ GDScript::~GDScript() {
 			}
 		}
 	}
-
 	{
 		MutexLock lock(GDScriptLanguage::get_singleton()->mutex);
-
-		GDScriptLanguage::get_singleton()->script_list.remove(&script_list);
+		script_list.remove_from_list();
 	}
 }