Remove account switcher from full editor

Was causing an NPE.

Test: Manually opened different types of raw contacts in full editor
from an LG-H860 
1) read-only contact
2) phone contact (treated as read-only)
3) writable contact linked with read-only
4) 2 writable contacts linked


Bug: 31181339
Change-Id: I1dcb7b93025d92cb58a735dbb887cf99d45d1518