NTFS: Remove address space operations ->prepare_write and ->commit_write in       preparation for the big rewrite of write(2) support in ntfs.
NTFS: Remove address space operations ->prepare_write and ->commit_write in
      preparation for the big rewrite of write(2) support in ntfs.

Signed-off-by: Anton Altaparmakov <90630119938f61c1e8dca1e38e83054970a7029b@cantab.net>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas