Revert "ota: Allow devices to skip generation of recovery-from-boot.p"

This reverts commit ad1da30db71be3d7cc4b191f17a9647a5c2e2db2.
Revert "ota: Generate recovery-from-boot.p file"

This reverts commit 113b58eb98723967f40980f4f7c6a7b7ad5bf5ab.