Nuke the 'vibrate during call' option.

It has never worked anyway, as NotificationManagerService prevented the
vibration on a lower level.

Change-Id: I5192d841796d3a2e1a447140eb26096b09aaec2d
JIRA:CYAN-1550
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Mms into cm-10.1