Get rid of visorchipset_release functions

[ghost]

KanBoard-24494

 >  return 0;
 > }
 > 
 > static int
 > visorchipset_release(struct inode *inode, struct file *file)
 > {
 >  return 0;
 > }

If you do nothing in a release function, then don't provide it at all.

[ghost]

Branch: githubissue-110-for-later-TurningWrenches Commit(s): 9cc183333f5d562669970961e1baf906ccff4fe4 checkpatch-cleared: Yes T710-1 verified: Yes

$ grep -rn "visorchipset_release" drivers/staging/unisys/* | wc -l
0
$ grep -rn "visorchipset_dev_release" drivers/staging/unisys/* | wc -l
0

[ghost]

@davidker

Do you remember where we left this?

[davidker]

Do we still have it? My belief is we got rid of the things that required us to have a release function so it just disappeared. We can close this.