delete an unused type

Author: sshaplygin

memcache/memcache.go

@@ -255,11 +255,6 @@ func (cte *ConnectTimeoutError) Error() string {
 }
 
 func (c *Client) dial(addr net.Addr) (net.Conn, error) {
-	type connError struct {
-		cn  net.Conn
-		err error
-	}
-
 	nc, err := net.DialTimeout(addr.Network(), addr.String(), c.netTimeout())
 	if err == nil {
 		return nc, nil