Revert of Assembler changes for enabling GrowHeap in Wasm

src/x64/assembler-x64-inl.h

Index: src/x64/assembler-x64-inl.h
diff --git a/src/x64/assembler-x64-inl.h b/src/x64/assembler-x64-inl.h
index f32f407a8dd2fb43878161d302bc3aabf35b8620..4e0370ad5f69ef22827e0e9b33a43809d73d8f53 100644
--- a/src/x64/assembler-x64-inl.h
+++ b/src/x64/assembler-x64-inl.h
@@ -326,10 +326,6 @@
   return Assembler::target_address_at(pc_, host_);
 }
 
-Address RelocInfo::wasm_memory_reference() {
-  DCHECK(IsWasmMemoryReference(rmode_));
-  return Memory::Address_at(pc_);
-}
 
 Address RelocInfo::target_address_address() {
   DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)
@@ -368,20 +364,6 @@
   }
 }
 
-void RelocInfo::update_wasm_memory_reference(
-    Address old_base, Address new_base, size_t old_size, size_t new_size,
-    ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsWasmMemoryReference(rmode_));
-  DCHECK(old_base <= wasm_memory_reference() &&
-         wasm_memory_reference() < old_base + old_size);
-  Address updated_reference = new_base + (wasm_memory_reference() - old_base);
-  DCHECK(new_base <= updated_reference &&
-         updated_reference < new_base + new_size);
-  Memory::Address_at(pc_) = updated_reference;
-  if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
-    Assembler::FlushICache(isolate_, pc_, sizeof(int64_t));
-  }
-}
 
 Object* RelocInfo::target_object() {
   DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);