Revert of [stubs] Introduce LeftShift, SignedRightShift and UnsignedRightShift stubs.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 5d9dde412fc0f2626b7f9a8582a61ea9e63ff572..a382a910d81fd85018c735f3cdd747c53f74591e 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -116,9 +116,6 @@
   V(Multiply)                               \
   V(Divide)                                 \
   V(Modulus)                                \
-  V(ShiftRight)                             \
-  V(ShiftRightLogical)                      \
-  V(ShiftLeft)                              \
   V(BitwiseAnd)                             \
   V(BitwiseOr)                              \
   V(BitwiseXor)                             \
@@ -717,31 +714,6 @@
   DEFINE_TURBOFAN_CODE_STUB(Modulus, TurboFanCodeStub);
 };
 
-class ShiftRightStub final : public TurboFanCodeStub {
- public:
-  explicit ShiftRightStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
-  DEFINE_TURBOFAN_CODE_STUB(ShiftRight, TurboFanCodeStub);
-};
-
-class ShiftRightLogicalStub final : public TurboFanCodeStub {
- public:
-  explicit ShiftRightLogicalStub(Isolate* isolate)
-      : TurboFanCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
-  DEFINE_TURBOFAN_CODE_STUB(ShiftRightLogical, TurboFanCodeStub);
-};
-
-class ShiftLeftStub final : public TurboFanCodeStub {
- public:
-  explicit ShiftLeftStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
-  DEFINE_TURBOFAN_CODE_STUB(ShiftLeft, TurboFanCodeStub);
-};
-
 class BitwiseAndStub final : public TurboFanCodeStub {
  public:
   explicit BitwiseAndStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}