[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 66ac930ad24da5aaa28df3891e232250b56c3cef..a95cacbc4fc92ab3b9c07df951e9e1897232b984 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1081,11 +1081,6 @@ class MacroAssembler: public Assembler {
                         Label* fail);
 
   // -------------------------------------------------------------------------
-  // Debugger Support.
-
-  void DebugBreak();
-
-  // -------------------------------------------------------------------------
   // Exception handling.
 
   // Push a new stack handler and link into stack handler chain.