Revert "Introduce inline cache for invokesuper"

This reverts commit d147ad6231.

because failing on CI:
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1916925

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67431 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

vm_insnhelper.c

@@ -2796,13 +2796,7 @@ vm_search_super_method(const rb_control_frame_t *reg_cfp, struct rb_call_info *c
         CC_SET_FASTPATH(cc, vm_call_method_missing, TRUE);
     }
     else {
-#if OPT_INLINE_METHOD_CACHE
-        if (LIKELY(GET_GLOBAL_METHOD_STATE() == cc->method_state && RCLASS_SERIAL(klass) == cc->class_serial &&
-                   ci->mid == cc->me->def->original_id))
-            return;
-        cc->method_state = GET_GLOBAL_METHOD_STATE();
-        cc->class_serial = RCLASS_SERIAL(klass);
-#endif
+	/* TODO: use inline cache */
 	cc->me = rb_callable_method_entry(klass, ci->mid);
         CC_SET_FASTPATH(cc, vm_call_super_method, TRUE);
     }