[compiler] Simplify JSTypedArrayRef further

Removing code left over by
https://chromium-review.googlesource.com/c/v8/v8/+/3124806 .

Bug: v8:7790
Change-Id: Id198df521ff58fe4f476f6f6a1fc624cb297be4a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3147591Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76764}

src/compiler/js-native-context-specialization.cc

@@ -1743,10 +1743,6 @@ Reduction JSNativeContextSpecialization::ReduceElementAccess(
     }
   }
 
-  for (ElementAccessInfo const& access_info : access_infos) {
-    if (!IsTypedArrayElementsKind(access_info.elements_kind())) continue;
-  }
-
   // Check for the monomorphic case.
   PropertyAccessBuilder access_builder(jsgraph(), broker(), dependencies());
   if (access_infos.size() == 1) {