[debugger] remove debugger statement support from FCG/CS.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index ea0c4cb1d6759bffbab56cc2001e6b83e3d6c4ba..8349e89ba95a489095709df13b9091769579931e 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -1921,16 +1921,6 @@ void MacroAssembler::IsObjectNameType(Register object,
 }
 
 
-void MacroAssembler::DebugBreak() {
-  mov(r0, Operand::Zero());
-  mov(r1,
-      Operand(ExternalReference(Runtime::kHandleDebuggerStatement, isolate())));
-  CEntryStub ces(isolate(), 1);
-  DCHECK(AllowThisStubCall(&ces));
-  Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT);
-}
-
-
 void MacroAssembler::PushStackHandler() {
   // Adjust this code if not the case.
   STATIC_ASSERT(StackHandlerConstants::kSize == 1 * kPointerSize);