[compiler] Remove unused FixedArrayRef::get

Bug: v8:7790
Change-Id: Iaa2f7e0e0ae552089867d2789ec4e541df2d6a24
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3123413Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76567}

src/compiler/heap-refs.cc

@@ -2052,8 +2052,6 @@ int ArrayBoilerplateDescriptionRef::constants_elements_length() const {
   return object()->constant_elements().length();
 }
 
-ObjectRef FixedArrayRef::get(int i) const { return TryGet(i).value(); }
-
 base::Optional<ObjectRef> FixedArrayRef::TryGet(int i) const {
   Handle<Object> value;
   {

src/compiler/heap-refs.h

@@ -815,12 +815,6 @@ class FixedArrayRef : public FixedArrayBaseRef {
 
   Handle<FixedArray> object() const;
 
-  ObjectRef get(int i) const;
-
-  // As above but may fail if Ref construction is not possible (e.g. for
-  // serialized types on the background thread).
-  // TODO(jgruber): Remove once all Ref types are never-serialized or
-  // background-serialized and can thus be created on background threads.
   base::Optional<ObjectRef> TryGet(int i) const;
 };