Remove accessibility as an optional feature

Bug:13439904
Change-Id: Icc6b84d05a24cbfdaa121929e7c7c77c0f7eed17

data/etc/android.software.accessibility.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<permissions>
-    <feature name="android.software.accessibility" />
-</permissions>

data/etc/handheld_core_hardware.xml

@@ -35,7 +35,6 @@
     <feature name="android.hardware.screen.landscape" />
 
     <!-- basic system services -->
-    <feature name="android.software.accessibility" />
     <feature name="android.software.app_widgets" />
     <feature name="android.software.backup" />
     <feature name="android.software.home_screen" />

data/etc/tablet_core_hardware.xml

@@ -36,7 +36,6 @@
     <feature name="android.hardware.screen.landscape" />
 
     <!-- basic system services -->
-    <feature name="android.software.accessibility" />
     <feature name="android.software.app_widgets" />
     <feature name="android.software.backup" />
     <feature name="android.software.home_screen" />

data/etc/wearable_core_hardware.xml

@@ -33,7 +33,6 @@
     <feature name="android.hardware.screen.landscape" />
 
     <!-- basic system services -->
-    <feature name="android.software.accessibility" />
     <feature name="android.software.home_screen" />
     <feature name="android.software.input_methods" />