Removed unwanted packages and modified build.prop configuration.

Change-Id: Iae8028c557a28139ffa448815ef9324fc0cb841f
Changed Camera default jpeg quaility to 100%

Change-Id: Id05ad80c3e060a06a70a68baa4d50d42e91963f2
Fixed build.prop typo with persist.sys.usb.config

Change-Id: I8a40c15305e286853b91f984f664cca4479b4bcd
Unplug event will NOT turn screen on.

Change-Id: I7ce85cb74ead738c24b373baf15099bbcfddf5d2
Changed default screen timeout to 120 seconds.

Change-Id: I2cb4662c9399c9a4cc2486164e8a155611176fde