MIPS: Fix compilation error after removing an unused flag.

TBR=jkummerow@chromium.org
Review URL: https://chromiumcodereview.appspot.com/9348049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10637 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/lithium-codegen-mips.cc

@@ -640,7 +640,6 @@ void LCodeGen::DeoptimizeIf(Condition cc,
 void LCodeGen::PopulateDeoptimizationData(Handle<Code> code) {
   int length = deoptimizations_.length();
   if (length == 0) return;
-  ASSERT(FLAG_deopt);
   Handle<DeoptimizationInputData> data =
       factory()->NewDeoptimizationInputData(length, TENURED);