fcntl: remove unused VALID_UPGRADE_FLAGS

We currently do not maky use of this feature and should we implement
something like this in the future it's trivial to add it back.

Link: https://lore.kernel.org/r/[email protected]
Cc: Christoph Hellwig <[email protected]>
Cc: Aleksa Sarai <[email protected]>
Cc: Al Viro <[email protected]>
Cc: [email protected]
Suggested-by: Richard Guy Briggs <[email protected]>
Reviewed-by: Richard Guy Briggs <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>

0 files changed, 0 insertions, 0 deletions