Staging: wilc1000: wilc_wfi_cfgoperations: Remove unused code

Remove the declaration, initialization and statement having a
variable that is not used anywhere in the code.
Semantic patch used:

@@
type T;
identifier i;
constant C;
position p != e.p;
@@

- T i@p;
  <+... when != i
- i = C;
  ...+>
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -1726,7 +1726,6 @@ static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
 {
 
 	u32 i;
-	u8 flag = 0;
 	s32 s32Error = 0;
 
 	struct wilc_priv *priv = wiphy_priv(wiphy);
@@ -1739,7 +1738,6 @@ static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
 			/*If bssid is found, reset the values*/
 			PRINT_D(CFG80211_DBG, "Reseting PMKID values\n");
 			memset(&priv->pmkid_list.pmkidlist[i], 0, sizeof(struct host_if_pmkid));
-			flag = PMKID_FOUND;
 			break;
 		}
 	}