Remove unused labels.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 80e421bccd5ad2c620113e334c2e7ba41ad5b6ca..2db21d58ef9efc282c18e832af2b77ec08df90cc 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -1067,7 +1067,7 @@ void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
   //  -- esp[0] : return address
   //  -- esp[4] : last argument
   // -----------------------------------
-  Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
+  Label generic_array_code;
 
   // Get the Array function.
   GenerateLoadArrayFunction(masm, edi);