jf-common: remove double usbdisk mkdir

Remove one of the two /storage/usbdisk directory creations.

Change-Id: I977a72197e9dd49392051b96cc1808585d669801
jf-common: init.target.rc: remove 'on fs_selinux'

its not run in CM.

Change-Id: Ie2e0a72b50d52de6dc4f8ec209fcee5fd55360e5
jf-common: mount persdata in fstab

i also corrected 'default' to 'defaults' on the vold mounts while updating fstab

someone should probably advise the best mount flags for this partition.  i just copied verbatim from init.carrier.rc.

Change-Id: I8f3825e96c0e3239c40e00f5dee7b49ddb59c821
jf-common: init.qcom.rc: remove redundant large_tcp_window_size stuff

Change-Id: Iee0fa3bc9ec85d2bce3e1b0b159797bdde353586
jf-common: remove authentec vpn

its not in the rom

Change-Id: I9809bc0addca3bd4bad2d2d5bcf3e2c9c15eba36