[strong] Remove all remainders of strong mode

src/arm64/builtins-arm64.cc

Index: src/arm64/builtins-arm64.cc
diff --git a/src/arm64/builtins-arm64.cc b/src/arm64/builtins-arm64.cc
index acd65103ccef288142b1704f5b993fd0ce666696..1e37a9ccc21cab1f9832fe0648b2d605cf82d347 100644
--- a/src/arm64/builtins-arm64.cc
+++ b/src/arm64/builtins-arm64.cc
@@ -2554,30 +2554,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
     Register copy_to = x12;
     Register scratch1 = x13, scratch2 = x14;
 
-    // If the function is strong we need to throw an error.
-    Label no_strong_error;
-    __ Ldr(scratch1,
-           FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
-    __ Ldr(scratch2.W(),
-           FieldMemOperand(scratch1, SharedFunctionInfo::kCompilerHintsOffset));
-    __ TestAndBranchIfAllClear(scratch2.W(),
-                               (1 << SharedFunctionInfo::kStrongModeFunction),
-                               &no_strong_error);
-
-    // What we really care about is the required number of arguments.
-    DCHECK_EQ(kPointerSize, kInt64Size);
-    __ Ldr(scratch2.W(),
-           FieldMemOperand(scratch1, SharedFunctionInfo::kLengthOffset));
-    __ Cmp(argc_actual, Operand(scratch2, LSR, 1));
-    __ B(ge, &no_strong_error);
-
-    {
-      FrameScope frame(masm, StackFrame::MANUAL);
-      EnterArgumentsAdaptorFrame(masm);
-      __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments);
-    }
-
-    __ Bind(&no_strong_error);
     EnterArgumentsAdaptorFrame(masm);
     ArgumentAdaptorStackCheck(masm, &stack_overflow);