Get rid of a debugging print :p.

frog/lib/string_implementation.dart

Index: frog/lib/string_implementation.dart
diff --git a/frog/lib/string_implementation.dart b/frog/lib/string_implementation.dart
index 4de118feff9da7e4c9c9ad6a01eeb199dc5bd10d..ebce238a15595d437706b5cccb5b80b7c357e83b 100644
--- a/frog/lib/string_implementation.dart
+++ b/frog/lib/string_implementation.dart
@@ -46,7 +46,7 @@ class StringImplementation implements String native "String" {
     "return this.replace(from, to);";
 
   String _replaceFirstRegExp(RegExp from, String to) native
-    "console.log(require('util').inspect(from)); return this.replace(from.re, to);";
+    "return this.replace(from.re, to);";
 
   String replaceFirst(Pattern from, String to) {
     if (from is String) return _replaceFirst(from, to);