insns.def: duplicated code

* insns.def (checkmatch): remove duplicated code.  [ruby-core:47339]
  [Bug #6930]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

insns.def

@@ -840,8 +840,6 @@ checkmatch
     if (flag & VM_CHECKMATCH_ARRAY) {
 	int i;
 	for (i = 0; i < RARRAY_LEN(pattern); i++) {
-	    enum vm_check_match_type checkmatch_type =
-		(enum vm_check_match_type)(flag & VM_CHECKMATCH_TYPE_MASK);
 	    if (RTEST(check_match(RARRAY_PTR(pattern)[i], target, checkmatch_type))) {
 		result = Qtrue;
 		break;