[PORT FROM R2] Revert "atomisp: add CSS support for atomic ISP restart"

[PORT FROM R2] Revert "atomisp: add CSS support for atomic ISP restart"

BZ: 17272

This reverts commit 5b8f28334198de27e20e0001e927dffd8fcf57bb.

Change-Id: Ie10d52ee66a88957ea870a0f75edff11d554481e
Orig-Change-Id: I68fdd2a80b0cf7f58e6abd5f254d609ad7cd32e3
Signed-off-by: Tao Jing <jing.tao@intel.com>
Reviewed-on: http://android.intel.com:8080/23893
Reviewed-by: Cohen, David A <david.a.cohen@intel.com>
Reviewed-by: Wang, Wen W <wen.w.wang@intel.com>
Reviewed-by: Zhang, Xiaolin <xiaolin.zhang@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
Reviewed-on: http://android.intel.com:8080/27998
Reviewed-by: Tuominen, TeemuX <teemux.tuominen@intel.com>
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>