Revert changes made to dev.

Author: vincetzr

app/src/main/res/values/settings_keys.xml

@@ -223,9 +223,6 @@
     <string name="prefer_descriptive_audio_key">prefer_descriptive_audio</string>
     <string name="last_resize_mode">last_resize_mode</string>
 
-    <!-- RESET ONLY -->
-    <string name="reset_settings">reset_settings</string>
-
     <!-- DEBUG ONLY -->
     <string name="debug_pref_screen_key">debug_pref_screen_key</string>
     <string name="allow_heap_dumping_key">allow_heap_dumping_key</string>