Driver, Gateway: Remove tokio 0.2 support (#118)

* Remove tokio 0.2 compat
* Remove tokio 0.2 test
* Remove tokio 0.2 CI

src/driver/tasks/udp_rx.rs

@@ -22,10 +22,7 @@ use discortp::{
 };
 use flume::Receiver;
 use std::{collections::HashMap, sync::Arc};
-#[cfg(not(feature = "tokio-02-marker"))]
 use tokio::{net::UdpSocket, select};
-#[cfg(feature = "tokio-02-marker")]
-use tokio_compat::{net::udp::RecvHalf, select};
 use tracing::{error, instrument, trace, warn};
 use xsalsa20poly1305::XSalsa20Poly1305 as Cipher;
 
@@ -241,10 +238,7 @@ struct UdpRx {
     packet_buffer: [u8; VOICE_PACKET_MAX],
     rx: Receiver<UdpRxMessage>,
 
-    #[cfg(not(feature = "tokio-02-marker"))]
     udp_socket: Arc<UdpSocket>,
-    #[cfg(feature = "tokio-02-marker")]
-    udp_socket: RecvHalf,
 }
 
 impl UdpRx {
@@ -396,7 +390,6 @@ impl UdpRx {
     }
 }
 
-#[cfg(not(feature = "tokio-02-marker"))]
 #[instrument(skip(interconnect, rx, cipher))]
 pub(crate) async fn runner(
     mut interconnect: Interconnect,
@@ -421,31 +414,6 @@ pub(crate) async fn runner(
     trace!("UDP receive handle stopped.");
 }
 
-#[cfg(feature = "tokio-02-marker")]
-#[instrument(skip(interconnect, rx, cipher))]
-pub(crate) async fn runner(
-    mut interconnect: Interconnect,
-    rx: Receiver<UdpRxMessage>,
-    cipher: Cipher,
-    config: Config,
-    udp_socket: RecvHalf,
-) {
-    trace!("UDP receive handle started.");
-
-    let mut state = UdpRx {
-        cipher,
-        decoder_map: Default::default(),
-        config,
-        packet_buffer: [0u8; VOICE_PACKET_MAX],
-        rx,
-        udp_socket,
-    };
-
-    state.run(&mut interconnect).await;
-
-    trace!("UDP receive handle stopped.");
-}
-
 #[inline]
 fn rtp_valid(packet: RtpPacket<'_>) -> bool {
     packet.get_version() == RTP_VERSION && packet.get_payload_type() == RTP_PROFILE_TYPE