Remove unnecessary includes

This saves about 80,000 LoC after preprocessor expansion.

Bug: v8:8562
Change-Id: I67b20edb73b801ddcc2937b84468241e3076535f
Reviewed-on: https://chromium-review.googlesource.com/c/1425906Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58989}

src/arguments.cc

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 #include "src/arguments.h"
-#include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {

src/lookup-cache.cc

@@ -4,8 +4,6 @@
 
 #include "src/lookup-cache.h"
 
-#include "src/objects-inl.h"
-
 namespace v8 {
 namespace internal {