Dont set attributes flags on class definition

src/webkit2-extension.c

@@ -1553,7 +1553,7 @@ static const JSClassDefinition gettext_definition = {
 
 static const JSClassDefinition greeter_config_definition = {
 	0,                        /* Version          */
-	kJSClassAttributeNoAutomaticPrototype, /* Attributes       */
+	kJSClassAttributeNone,    /* Attributes       */
 	"__GreeterConfig",        /* Class name       */
 	NULL,                     /* Parent class     */
 	NULL,                     /* Static values    */
@@ -1562,7 +1562,7 @@ static const JSClassDefinition greeter_config_definition = {
 
 static const JSClassDefinition theme_utils_definition = {
 	0,                     /* Version          */
-	kJSClassAttributeNoAutomaticPrototype, /* Attributes       */
+	kJSClassAttributeNone, /* Attributes       */
 	"__ThemeUtils",        /* Class name       */
 	NULL,                  /* Parent class     */
 	NULL,                  /* Static values    */