Delete c/b/translate/translate_browsertest.cc.

The translate infobar under test is now obsolete with the launch of
Harmony. It appears that the new UI is covered by various other suites
(TranslateLanguageBrowserTest, TranslateBubbleViewTest, and
TranslateBubbleViewBrowserTest).

Bug: 867557
Change-Id: Iab4b7ec611b3383ea6aa1b9dacddaa44d821f185
Reviewed-on: https://chromium-review.googlesource.com/1152527Reviewed-by: Hajime Hoshi <hajimehoshi@chromium.org>
Commit-Queue: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579517}

chrome/test/BUILD.gn

@@ -789,7 +789,6 @@ test("browser_tests") {
       "../browser/task_manager/task_manager_tester.h",
       "../browser/themes/theme_service_browsertest.cc",
       "../browser/tracing/chrome_tracing_delegate_browsertest.cc",
-      "../browser/translate/translate_browsertest.cc",
       "../browser/translate/translate_manager_browsertest.cc",
       "../browser/ui/ask_google_for_suggestions_dialog_browsertest.cc",
       "../browser/ui/autofill/card_unmask_prompt_view_browsertest.cc",