Revert "[2/2] Settings: Lockscreen notifications: Allow apps to be excluded from being displayed"

This reverts commit e7a73a384ce7e62ac2b639050f9c83071021bb21.

Conflicts:
	res/values/cfx_arrays.xml
	res/values/cfx_strings.xml
Revert "Lockscreen Notification movido a Extras -> Lockscreen Notifications"

This reverts commit e02e9c672db80cb7402b0865b320c026db43bac6.

Conflicts:
	res/values/cfx_strings.xml
	res/values/cm_dimens.xml
Revert "Lockscreen Notifications: fixups & additions [2/2]"

This reverts commit add16c9ff17dbf24240982bfb12c5cf14928de18.
Revert "(Not finished) Lockscreen Notifications [2/2]"

This reverts commit af67fe2c53269a3879552158ca876db2a57d0139.
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