netfs: Remove ->launder_folio() support

Remove support for ->launder_folio() from netfslib and expect filesystems
to use filemap_invalidate_inode() instead.  netfs_launder_folio() can then
be got rid of.

Signed-off-by: David Howells <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
cc: Eric Van Hensbergen <[email protected]>
cc: Latchesar Ionkov <[email protected]>
cc: Dominique Martinet <[email protected]>
cc: Christian Schoenebeck <[email protected]>
cc: David Howells <[email protected]>
cc: Marc Dionne <[email protected]>
cc: Steve French <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]

0 files changed, 0 insertions, 0 deletions