Another minor regexp cleanup.

src/string.js

Index: src/string.js
===================================================================
--- src/string.js	(revision 5772)
+++ src/string.js	(working copy)
@@ -162,9 +162,6 @@
   var subject = TO_STRING_INLINE(this);
   if (IS_REGEXP(regexp)) {
     if (!regexp.global) return regexp.exec(subject);
-
-    var saveAnswer = false;
-
     %_Log('regexp', 'regexp-match,%0S,%1r', [subject, regexp]);
     // lastMatchInfo is defined in regexp.js.
     return %StringMatch(subject, regexp, lastMatchInfo);
@@ -562,8 +559,6 @@
     return result;
   }
 
-  var saveAnswer = false;
-
   %_Log('regexp', 'regexp-split,%0S,%1r', [subject, separator]);
 
   if (length === 0) {