Deleted an unused variable (fun).

TEST=cros_workon start --board=$board entd && emerge-$board entd
BUG=chromium-os:19174

Change-Id: If5dc361dd574e3ba13b254d1348f4936a02329fc
Reviewed-on: http://gerrit.chromium.org/gerrit/6013
Tested-by: asharif <asharif@chromium.org>
Reviewed-by: Anush Elangovan <anush@chromium.org>
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
diff --git a/entd.cc b/entd.cc
index 044f22c..882850f 100644
--- a/entd.cc
+++ b/entd.cc
@@ -901,8 +901,6 @@
     return false;
   }
 
-  v8::Handle<v8::Function> fun = v8::Handle<v8::Function>::Cast(value);
-
   v8::TryCatch try_catch;
   v8::Handle<v8::Value> call_result =
       utils::CallV8Function(json, method_name, 1, &arg);