[PATCH -next] block: Fix some kernel-doc comments

[Yang Li]

Remove the description of @required_features in elevator_match()
to clear the below warning:

block/elevator.c:103: warning: Excess function parameter 'required_features' description in 'elevator_match'

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2734
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
---
 block/elevator.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/elevator.c b/block/elevator.c
index 800e0038be0d..a5bdc3b1e7e5 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -94,7 +94,6 @@ static inline bool elv_support_features(struct request_queue *q,
  * elevator_match - Test an elevator name and features
  * @e: Scheduler to test
  * @name: Elevator name to test
- * @required_features: Features that the elevator must provide
  *
  * Return true if the elevator @e name matches @name and if @e provides all
  * the features specified by @required_features.
-- 
2.20.1.7.g153144c