Revert "Set recovery fstab to version 2"

This reverts commit 49a7b2c3205871970706de18af6fc8650ef3f4c6.
Revert "Better description for the format of recovery.fstab."

This reverts commit e8fcb10684338bb65331342904770d3a5e9746e4.
Revert "Convert recovery.fstab to the "version 2" format."

This reverts commit 654bcadfb4bd5f33cc48615211539012c8b548b2.