d2-common: remove continuous-picture mode

Until we can figure out why it's crashing. The only other option is to
no-op autofocus altogether

Change-Id: I2815ef6bb2919eb47771fc4c4456351e9b9e8f7b
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_d2-common into android-4.4