Removed count show for 1 missed call

In code is already defined to show count for 2 or more missed calls.
See line 569. (Carbon: 677)

Change-Id: I337b46264d51a0e106837d227e8279b341117494
Signed-off-by: kecinzer <kecinzer@gmail.com>

Conflicts:
	src/com/android/phone/NotificationMgr.java