Remove trailing punctuation from recovery strings.

  <!-- Displayed on the screen beneath the animated android while the

       system is installing an update. [CHAR LIMIT=60] -->

  <string name="recovery_installing">Installing system update\u2026</string>

  <string name="recovery_installing">Installing system update</string>

  <!-- Displayed on the screen beneath the animated android while the

       system is erasing a partition (either a data wipe aka "factory

       reset", or a cache wipe). [CHAR LIMIT=60] -->

  <string name="recovery_erasing">Erasing\u2026</string>

  <string name="recovery_erasing">Erasing</string>

  <!-- Displayed on the screen when the user has gotten into recovery

       mode without a command to run.  Will not normally happen, but

       users (especially developers) may boot into recovery mode

       manually via special key combinations.  [CHAR LIMIT=60] -->

  <string name="recovery_no_command">No command.</string>

  <string name="recovery_no_command">No command</string>

  <!-- Displayed on the triangle-! screen when a system update

       installation or data wipe procedure encounters an error.  [CHAR

  <!-- Displayed on the screen beneath the animation while the

       system is installing a security update. [CHAR LIMIT=60] -->

  <string name="recovery_installing_security">Installing security update\u2026</string>

  <string name="recovery_installing_security">Installing security update</string>

</resources>