Revert of [strong] Implement strong mode restrictions on property access

src/ic/mips64/handler-compiler-mips64.cc

Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc b/src/ic/mips64/handler-compiler-mips64.cc
index 2a0ec065be1a3b61217b63e503215c0e6803d8fa..d83c807e3ce32b6fb778d61a2233c084044bec42 100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -14,30 +14,6 @@
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
-
-
-void NamedLoadHandlerCompiler::GenerateSlow(MacroAssembler* masm) {
-  // Push receiver and key for runtime call.
-  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
-
-  // The slow case calls into the runtime to complete the store without causing
-  // an IC miss that would otherwise cause a transition to the generic stub.
-  ExternalReference ref =
-      ExternalReference(IC_Utility(IC::kLoadIC_Slow), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
-}
-
-
-void ElementHandlerCompiler::GenerateLoadSlow(MacroAssembler* masm) {
-  // Push receiver and key for runtime call.
-  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
-
-  // The slow case calls into the runtime to complete the store without causing
-  // an IC miss that would otherwise cause a transition to the generic stub.
-  ExternalReference ref =
-      ExternalReference(IC_Utility(IC::kKeyedLoadIC_Slow), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
-}
 
 
 void NamedLoadHandlerCompiler::GenerateLoadViaGetter(