Remove unused license whitelist entry for a removed file

BUG=None
TBR=mnaganov@chromium.org

Review URL: https://codereview.chromium.org/542513002

Cr-Commit-Position: refs/heads/master@{#293272}

android_webview/tools/third_party_files_whitelist.txt

@@ -55,9 +55,6 @@ content/browser/geolocation/osx_wifi.h
 # Copyright The Chromium Authors, Apple Inc and Graham Dennis; BSD license. Not
 # used on Android.
 content/browser/renderer_host/render_widget_host_view_mac.mm
-# Copyright The Chromium Authors and Google Inc; BSD license. Not used on
-# Android.
-content/browser/renderer_host/web_input_event_aurax11.cc
 # Copyright Apple Inc and Torch Mobile Inc; BSD license. Moved from
 # third_party/WebKit/.
 content/renderer/history_controller.h