Revert "xfs: add capability check to free eofblocks ioctl"

This reverts commit eaeeaec3, upstream
commit 8c567a7f.

It was (mis)applied twice to stable-3.12.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Brian Foster <bfoster@redhat.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Dwight Engen <dwight.engen@oracle.com>
Cc: Ben Myers <bpm@sgi.com>

fs/xfs/xfs_ioctl.c

@@ -1712,12 +1712,6 @@ xfs_file_ioctl(
 		struct xfs_fs_eofblocks eofb;
 		struct xfs_eofblocks keofb;
 
-		if (!capable(CAP_SYS_ADMIN))
-			return -EPERM;
-
-		if (mp->m_flags & XFS_MOUNT_RDONLY)
-			return -XFS_ERROR(EROFS);
-
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;