Revert "Add missing file: vold.fstab"

This reverts commit 58dbfd7a249561f5b3bdbce3d0c3241476ef8f59.

This is unified in fstab.tuna now.
toroplus: remove obsolete apn xml file

SoMeX has a unified apn xml file (in vendor/SoMeX), this file
is not needed.