staging: r8188eu: remove unnecessary else branch

Remove an else branch in OnAuthClient that is not needed.

If we go into the else branch, go2asoc is 0. We can simply continue and
the last if condition will be false.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20221024081417.66441-15-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -850,9 +850,6 @@ static void OnAuthClient(struct adapter *padapter, struct recv_frame *precv_fram
 			go2asoc = 1;
 		else
 			return;
-	} else {
-		/*  this is also illegal */
-		return;
 	}
 
 	if (go2asoc) {