Revert alarm on/off switch to system strings.

Bug: 7628798
Change-Id: I70e04947529a2fdcc04ec3e4155db839e740865f
diff --git a/res/layout/alarm_time.xml b/res/layout/alarm_time.xml
index 91124af..a26f464 100644
--- a/res/layout/alarm_time.xml
+++ b/res/layout/alarm_time.xml
@@ -74,8 +74,6 @@
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:id="@+id/onoff"
-            android:textOn="@string/alarm_on"
-            android:textOff="@string/alarm_off"
             android:thumbTextPadding="10dp"
             android:layout_gravity="center_vertical|right"/>
     </LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 94180e4..2cf2cfd 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -462,11 +462,6 @@
     <!-- Label for the Cities activity displayed on-screen when that activity must be represented to the user. -->
     <string name="cities_activity_title">Cities</string>
 
-    <!-- Text in a Toggle button indicating an alarm is enabled -->
-    <string name="alarm_on">ON</string>
-    <!-- Text in a Toggle button indicating an alarm is disabled -->
-    <string name="alarm_off">OFF</string>
-
     <!-- Settings strings -->
     <!-- Header in the preferences settings for the section pertaining to clocks on the main fragment -->
     <string name="clock_settings">CLOCK</string>