Deleted strings in xml that are no longer used.

    <!--File properties dialog section title. In this section we show information about a files provider. (e.g. system, drive, dropbox, etc)-->

    <string name="handler_app_belongs_to">This file is supplied by</string>

    <!--File properties dialog button description for clearing the default app. the name of the app

     will be inserted programmatically inbetween these two strings-->

    <string name="handler_app_button_info_1">Other apps can open this file type. Clear</string>

    <string name="handler_app_button_info_2">as the default.</string>

    <!--File properties dialog button label to clear the default app-->

    <string name="handler_app_clear">Clear</string>

    <!--File properties dialog button label to show a document in a provider-->

    <string name="handler_app_show_in">Show in provider</string>

    <!--File properties dialog user message if a default app has not been selected-->

    <string name="handler_app_not_selected">Not selected</string>

    <!--File properties dialog user message if the default app is unknown-->