Revert "Frameworks: QS performance profiles tile"

we dont have it, dont need it, dont want it

This reverts commit f2fa2d8d07b2df2d5a99e787cd5994fc8e956e91.

Change-Id: I2402e52e306e61c97f1feebd7a6f497b6f364a7c
SystemServer: allow to disable dock

Change-Id: Ia87e72a7c960c4251f6d9e702ccd99b08857ac17