Removing now unused translations of pie_control_search_title

The commit "Merge Navigation Bar and Pie Controls button
config (2/2)" did remove the above mentioned i18n string.
This patch removes it for all other languages.

Change-Id: I613cf92c1e41e5b830984af33828da2d0f85561b
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1