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

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index ca49b6b07431d78fac418e6626d36a73a521a9fa..5bffd898149d4fd341087e77ab2d4a4f397f9e74 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1080,13 +1080,9 @@ 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.