git: 3ca6bdef85f3 - stable/13 - xdma: Fix another -Wunused-but-set-variable warning previously missed

The branch stable/13 has been updated by jrtc27:

URL: https://cgit.FreeBSD.org/src/commit/?id=3ca6bdef85f3d2370bdecf708ed88e0d773e2240

commit 3ca6bdef85f3d2370bdecf708ed88e0d773e2240
Author:     Jessica Clarke <jrtc27@FreeBSD.org>
AuthorDate: 2021-12-10 05:06:54 +0000
Commit:     Jessica Clarke <jrtc27@FreeBSD.org>
CommitDate: 2022-01-24 23:59:38 +0000

    xdma: Fix another -Wunused-but-set-variable warning previously missed
    
    MFC after:      1 week
    
    (cherry picked from commit fa5af3219fab0b1640dba02b8201a536171a4ba4)
---
 sys/dev/xdma/xdma_bio.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/dev/xdma/xdma_bio.c b/sys/dev/xdma/xdma_bio.c
index c994bd5f7629..93645698933c 100644
--- a/sys/dev/xdma/xdma_bio.c
+++ b/sys/dev/xdma/xdma_bio.c
@@ -77,9 +77,6 @@ xdma_enqueue_bio(xdma_channel_t *xchan, struct bio **bp,
     enum xdma_direction dir)
 {
 	struct xdma_request *xr;
-	xdma_controller_t *xdma;
-
-	xdma = xchan->xdma;
 
 	xr = xchan_bank_get(xchan);
 	if (xr == NULL)