(1/2) Make ROM zip compatible with ext4/f2fs

Change-Id: I251b8d53066a196dab27a3f9b0e58789eb5c34b1
Merge branch 'f2fs' into kk
Revert "(1/2) Make ROM zip compatible with ext4/f2fs"

This reverts commit 0539ce860ac87232de0577bb4e9cfd151c24735c.
Switch to all-F2FS only builds