[ios] TabGrid minor cleanup

Change-Id: I0e9a96d8129aee20610eb3dcd7c82a75e854f40a
Reviewed-on: https://chromium-review.googlesource.com/c/1345530Reviewed-by: edchin <edchin@chromium.org>
Reviewed-by: Mohammad Refaat <mrefaat@chromium.org>
Commit-Queue: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609869}

ios/chrome/browser/ui/tab_grid/BUILD.gn

@@ -78,7 +78,6 @@ source_set("tab_grid_ui") {
     "resources:new_tab_toolbar_button_incognito",
     "resources:page_control_assets",
     "//base",
-    "//base:i18n",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/crash_report",

ios/chrome/browser/ui/tab_grid/tab_grid_bottom_toolbar.mm

@@ -4,7 +4,6 @@
 
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_bottom_toolbar.h"
 
-#include "base/i18n/rtl.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_constants.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_new_tab_button.h"
 #import "ios/chrome/browser/ui/util/uikit_ui_util.h"

ios/chrome/browser/ui/tab_grid/tab_grid_top_toolbar.mm

@@ -4,7 +4,6 @@
 
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_top_toolbar.h"
 
-#include "base/i18n/rtl.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_constants.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_page_control.h"
 #import "ios/chrome/browser/ui/util/uikit_ui_util.h"