Remove --stop-at flag from several backends.

src/full-codegen/arm/full-codegen-arm.cc

Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index 642671af18e80d1a80db971c7bfc78aec0339928..bfc96668c2349964dec9ec0f37d7ec583d9677be 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -110,13 +110,6 @@ void FullCodeGenerator::Generate() {
 
   ProfileEntryHookStub::MaybeCallEntryHook(masm_);
 
-#ifdef DEBUG
-  if (strlen(FLAG_stop_at) > 0 &&
-      info->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) {
-    __ stop("stop-at");
-  }
-#endif
-
   if (FLAG_debug_code && info->ExpectsJSReceiverAsReceiver()) {
     int receiver_offset = info->scope()->num_parameters() * kPointerSize;
     __ ldr(r2, MemOperand(sp, receiver_offset));