V4L/DVB (12491): remove unnecessary power management primitive in stk-webcam

This patch removes an unneeded power management primitive.
Power management is automatically enabled as probe ends.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index b154bd9..0b996ea 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -1400,7 +1400,6 @@
 	}
 
 	stk_create_sysfs_files(&dev->vdev);
-	usb_autopm_enable(dev->interface);
 
 	return 0;