Bluetooth: MGMT: Remove unused mgmt_pending_find_data

mgmt_pending_find_data() last use was removed in 2021 by
commit 5a75013 ("Bluetooth: hci_sync: Convert MGMT_OP_GET_CLOCK_INFO")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

net/bluetooth/mgmt_util.c

@@ -229,23 +229,6 @@ struct mgmt_pending_cmd *mgmt_pending_find(unsigned short channel, u16 opcode,
 	return NULL;
 }
 
-struct mgmt_pending_cmd *mgmt_pending_find_data(unsigned short channel,
-						u16 opcode,
-						struct hci_dev *hdev,
-						const void *data)
-{
-	struct mgmt_pending_cmd *cmd;
-
-	list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
-		if (cmd->user_data != data)
-			continue;
-		if (cmd->opcode == opcode)
-			return cmd;
-	}
-
-	return NULL;
-}
-
 void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
 			  void (*cb)(struct mgmt_pending_cmd *cmd, void *data),
 			  void *data)

net/bluetooth/mgmt_util.h

@@ -54,10 +54,6 @@ int mgmt_cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
 
 struct mgmt_pending_cmd *mgmt_pending_find(unsigned short channel, u16 opcode,
 					   struct hci_dev *hdev);
-struct mgmt_pending_cmd *mgmt_pending_find_data(unsigned short channel,
-						u16 opcode,
-						struct hci_dev *hdev,
-						const void *data);
 void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
 			  void (*cb)(struct mgmt_pending_cmd *cmd, void *data),
 			  void *data);