variable.c: removed old warning

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62161 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

variable.c

@@ -2260,12 +2260,7 @@ rb_const_search(VALUE klass, ID id, int exclude, int recurse, int visibility)
 		continue;
 	    }
 	    if (exclude && tmp == rb_cObject && klass != rb_cObject) {
-#if 0
-		rb_warn("toplevel constant %"PRIsVALUE" referenced by %"PRIsVALUE"::%"PRIsVALUE"",
-			QUOTE_ID(id), rb_class_name(klass), QUOTE_ID(id));
-#else
 		return Qundef;
-#endif
 	    }
 	    return value;
 	}