Revert "ramdisk: fstab changes part 2"

This reverts commit 623a730df975bd07e0bd5659b7813bf94cbcff18.
Revert "ramdisk: fstab changes part 1"

This reverts commit e48d21d44802cce1607b71d610fcba02c32a368f.
Revert "Revert "ramdisk: fstab: steal mount options from hammerhead""

This reverts commit 469387816903d5fac52c2df3f32568229dbe79db.
ramdisk: remove errors=panic from devlog

It's causing super weird issue on a single user so just drop it now
because devlog doesn't hold critical files.

Change-Id: I17f164989adb9f146d84c5acbb3b1027c2b488ce