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

src/mips64/macro-assembler-mips64.h

Index: src/mips64/macro-assembler-mips64.h
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index f45c487235765d35aa81505ed44b39e4495490a1..2d84b40618be1651e031e585e2ce18f4b64b58ed 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -1356,9 +1356,6 @@
   // 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.