wctdm24xxp: Remove unused 'usecount' member.

'usecount' was removed in revision 6926 but parts were accidentally
merged back in revision 8123 as part of the Hx8 merge.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9470 a0bf4364-ded3-4de4-8d8a-66a801d63aff

drivers/dahdi/wctdm24xxp/base.c

@@ -3482,8 +3482,6 @@ static int wctdm_open(struct dahdi_chan *chan)
 	if (wc->dead)
 		return -ENODEV;
 #endif
-	wc->usecount++;
-	
 	if (wc->modtype[channo] == MOD_TYPE_FXO) {
 		/* Reset the mwi indicators */
 		spin_lock_irqsave(&wc->reglock, flags);

drivers/dahdi/wctdm24xxp/wctdm24xxp.h

@@ -168,7 +168,6 @@ struct wctdm_chan {
 struct wctdm {
 	const struct wctdm_desc *desc;
 	char board_name[80];
-	int usecount;
 	int pos;				/* card number in system */
 
 	spinlock_t frame_list_lock;