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

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 55cab6309800dd6c079bf1b37339de6176840de1..4f420ec51569234555fa712ff4ebc101563a6aab 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -1540,54 +1540,6 @@
     Node* result = assembler->ChangeFloat64ToTagged(value);
     assembler->Return(result);
   }
-}
-
-void ShiftLeftStub::GenerateAssembly(
-    compiler::CodeStubAssembler* assembler) const {
-  using compiler::Node;
-
-  Node* lhs = assembler->Parameter(0);
-  Node* rhs = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
-  Node* lhs_value = assembler->TruncateTaggedToWord32(context, lhs);
-  Node* rhs_value = assembler->TruncateTaggedToWord32(context, rhs);
-  Node* shift_count =
-      assembler->Word32And(rhs_value, assembler->Int32Constant(0x1f));
-  Node* value = assembler->Word32Shl(lhs_value, shift_count);
-  Node* result = assembler->ChangeInt32ToTagged(value);
-  assembler->Return(result);
-}
-
-void ShiftRightStub::GenerateAssembly(
-    compiler::CodeStubAssembler* assembler) const {
-  using compiler::Node;
-
-  Node* lhs = assembler->Parameter(0);
-  Node* rhs = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
-  Node* lhs_value = assembler->TruncateTaggedToWord32(context, lhs);
-  Node* rhs_value = assembler->TruncateTaggedToWord32(context, rhs);
-  Node* shift_count =
-      assembler->Word32And(rhs_value, assembler->Int32Constant(0x1f));
-  Node* value = assembler->Word32Sar(lhs_value, shift_count);
-  Node* result = assembler->ChangeInt32ToTagged(value);
-  assembler->Return(result);
-}
-
-void ShiftRightLogicalStub::GenerateAssembly(
-    compiler::CodeStubAssembler* assembler) const {
-  using compiler::Node;
-
-  Node* lhs = assembler->Parameter(0);
-  Node* rhs = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
-  Node* lhs_value = assembler->TruncateTaggedToWord32(context, lhs);
-  Node* rhs_value = assembler->TruncateTaggedToWord32(context, rhs);
-  Node* shift_count =
-      assembler->Word32And(rhs_value, assembler->Int32Constant(0x1f));
-  Node* value = assembler->Word32Shr(lhs_value, shift_count);
-  Node* result = assembler->ChangeUint32ToTagged(value);
-  assembler->Return(result);
 }
 
 void BitwiseOrStub::GenerateAssembly(