Remove unnecessary duplicate

* We disable multithreaded dexopt for all builds by default now.

Change-Id: I05c01c3b7911fa8e6d3e9410f5d1cc800292ebda
Merge branch 'cm-11.0' into kk_mkt

Conflicts:
	config/common.mk

Change-Id: Ifef65d2c230f868b7fb44e9f93143b2365565da3