Remove reboot permission

Remove unused REBOOT permission.

Bug:
Change-Id: Ic0d8b290b1eb87b78dfa4516b4763d0b53fa92f2
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 6d0e0c9..d89de95 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -44,8 +44,6 @@
     <uses-permission android:name="com.android.voicemail.permission.READ_WRITE_ALL_VOICEMAIL" />
     <uses-permission android:name="android.permission.ALLOW_ANY_CODEC_FOR_PLAYBACK" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
-    <!-- allow broadcasting secret code intents that reboot the phone -->
-    <uses-permission android:name="android.permission.REBOOT" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <!-- This tells the activity manager to not delay any of our activity
      start requests, even if they happen immediately after the user