drivers: ipa: remove discription of nonexistent element

No element named "client" exists within "struct ipa_endpoint".
It might be a heritage forgotten to be removed. Delete it now.
Signed-off-by: Wang Wenhu <wenhu.wang@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ipa/ipa_endpoint.h

@@ -41,7 +41,6 @@ enum ipa_endpoint_name {
 
 /**
  * struct ipa_endpoint - IPA endpoint information
- * @client:	Client associated with the endpoint
  * @channel_id:	EP's GSI channel
  * @evt_ring_id: EP's GSI channel event ring
  */