Delete unused strings in Dialer.

    <!-- Message next to disamgiguation dialog check box -->

    <string name="make_primary">Remember this choice</string>

    <!-- String describing the image on ImageButton one

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_one">one</string>

    <!-- String describing the image on ImageButton two

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_two">two</string>

    <!-- String describing the image on ImageButton three

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_three">three</string>

    <!-- String describing the image on ImageButton four

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_four">four</string>

    <!-- String describing the image on ImageButton five

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_five">five</string>

    <!-- String describing the image on ImageButton six

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_six">six</string>

    <!-- String describing the image on ImageButton seven

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_seven">seven</string>

    <!-- String describing the image on ImageButton eight

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_eight">eight</string>

    <!-- String describing the image on ImageButton nine

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_nine">nine</string>

    <!-- String describing the image on ImageButton star

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_star">star</string>

    <!-- String describing the image on ImageButton zero

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_zero">zero</string>

    <!-- String describing the image on ImageButton pound

        Note: AccessibilityServices use this attribute to announce what the view represents.

              This is especially valuable for views without textual representation like ImageView.

    -->

    <string name="description_image_button_pound">pound</string>

    <!-- String describing the image on ImageButton plus

         Used by AccessibilityService to announce the purpose of the button.

    -->

    <!-- String describing the Search ImageButton

         Used by AccessibilityService to announce the purpose of the button.