Remove unused HIsNumberAndBranch instruction.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 4b143273b3e96bd0d00fe3d1e1d98662784b9cfd..3ab8f37a15fced123b33c020c785a9c4a4a47462 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -113,7 +113,6 @@ class LCodeGen;
   V(IsConstructCallAndBranch)                   \
   V(IsObjectAndBranch)                          \
   V(IsStringAndBranch)                          \
-  V(IsNumberAndBranch)                          \
   V(IsSmiAndBranch)                             \
   V(IsUndetectableAndBranch)                    \
   V(Label)                                      \
@@ -936,19 +935,6 @@ class LIsObjectAndBranch V8_FINAL : public LControlInstruction<1, 1> {
 };
 
 
-class LIsNumberAndBranch V8_FINAL : public LControlInstruction<1, 0> {
- public:
-  explicit LIsNumberAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsNumberAndBranch, "is-number-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsNumberAndBranch)
-};
-
-
 class LIsStringAndBranch V8_FINAL : public LControlInstruction<1, 1> {
  public:
   LIsStringAndBranch(LOperand* value, LOperand* temp) {