klte-common: Clean up fstab

* Mount system, data partitions first
* Add footer entry for encryption
* Remove discard option

Change-Id: I9c70faa6aeb3eff1399166eb3a29d1a9da93b44c
klte-common: Mount all partitions in fstab

Change-Id: Ic940724f1e72405d25ad1c707650f972fc577027
klte-common: Clean up init

* Remove unused services
* Remove duplicate entries

Change-Id: I01adefe2430d31d9a3caf989507faaf42614eb7a