remove extra xtb file

This xtb file was added in https://crrev.com/c/1821528.
It is not currently used.

Change-Id: If2c19a1495b1af5db89cc3e0fad7c5e79b4d30ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2124540Reviewed-by: Friedrich [CET] <fhorschig@chromium.org>
Commit-Queue: Trevor  Perrier <perrier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755026}

chrome/browser/touch_to_fill/android/internal/java/strings/translations/android_touch_to_fill_strings_etc.xtb

-<?xml version="1.0" ?><!DOCTYPE translationbundle><translationbundle lang="etc"></translationbundle>