Remove lockscreen slide delay option (1/2)

Also enable these options for insecure lockscreen:
* Lock after timeout
* Power button instantly locks
* Owner info

Change-Id: I7737dc9cb1108f7d83b2cea3af9eb313767eb958

Conflicts:
	res/values/cm_arrays.xml
	res/xml/security_settings_chooser.xml
	src/com/android/settings/LockscreenSecuritySettings.java