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

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 10288fb19134311e8f401170ff6806aa545da79d..bcba01447e8bf32398bb0238d82c826b31dea749 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -714,13 +714,9 @@ class MacroAssembler: public Assembler {
                         Register scratch,
                         Label* fail);
 
-  // ---------------------------------------------------------------------------
-  // Debugger Support
-
-  void DebugBreak();
+  // Frame restart support
   void MaybeDropFrames();
 
-  // ---------------------------------------------------------------------------
   // Exception handling
 
   // Push a new stack handler and link into stack handler chain.