Bug 1130203 - Remove unused share overlay layout. r=mhaigh

--HG--
extra : rebase_source : b71a744d6ffd414bb0dcfd6b21a1c43afa822b4d

mobile/android/base/resources/layout/overlay_share_send_tab_button.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-
-    <ListView
-        style="@style/ShareOverlayButton"
-        android:id="@+id/device_list"
-        android:padding="0dp" >
-    </ListView>
-
-</LinearLayout>