Revert of Collect type feedback on result of Math.[round|ceil|floor]

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 c46cfdcef732c4e67996b1906dbe5fd819c6a522..cdbd10331aa52d4d19361fa7c31a39992a750716 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1323,9 +1323,6 @@
   // Store the function for the given builtin in the target register.
   void GetBuiltinFunction(Register target, Builtins::JavaScript id);
 
-  void BranchIfNotBuiltin(Register function, Register temp,
-                          BuiltinFunctionId id, Label* miss);
-
   struct Unresolved {
     int pc;
     uint32_t flags;  // See Bootstrapper::FixupFlags decoders/encoders.