->aio_read and ->aio_write removed

no remaining users

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --cc Documentation/filesystems/Locking
Simple merge

diff --cc Documentation/filesystems/porting
Simple merge

diff --cc Documentation/filesystems/vfs.txt
Simple merge

diff --cc fs/aio.c
Simple merge

diff --cc fs/file_table.c
Simple merge

diff --cc fs/open.c
Simple merge

diff --cc fs/read_write.c
Simple merge

diff --cc include/linux/fs.h
Simple merge