Revert " defconfig update <f2fs>"

This reverts commit d74f7532e9aea3b7ea120a4273654290e4896f25.
Revert "fs: add experimental f2fs from arter97 part2 https://bitbucket.org/arter97/arter97-cm-i9300/commits/e00b942e0995842914123c4886910777b999073b"

This reverts commit 900937d9d9d448b7bb547f4317d9249c73b2b8b8.
Revert "fs: add experimental f2fs from arter97 https://bitbucket.org/arter97/arter97-cm-i9300/commits/e00b942e0995842914123c4886910777b999073b"

This reverts commit 46e600b354f3da18114cdb1e94c92034399ad42b.
 fix