Clean up a bunch of promise stuff

src/client/voice/VoiceConnection.js

@@ -107,8 +107,7 @@ class VoiceConnection extends EventEmitter {
         speaking: true,
         delay: 0,
       },
-    })
-    .catch(e => {
+    }).catch(e => {
       this.emit('debug', e);
     });
   }
@@ -156,8 +155,7 @@ class VoiceConnection extends EventEmitter {
       this.sockets.udp.findEndpointAddress()
         .then(address => {
           this.sockets.udp.createUDPSocket(address);
-        })
-        .catch(e => this.emit('error', e));
+        }, e => this.emit('error', e));
     });
     this.sockets.ws.once('sessionDescription', (mode, secret) => {
       this.authentication.encryptionMode = mode;

src/client/voice/dispatcher/StreamDispatcher.js

@@ -136,7 +136,7 @@ class StreamDispatcher extends EventEmitter {
     const packet = this._createPacket(sequence, timestamp, this.player.opusEncoder.encode(buffer));
     while (repeats--) {
       this.player.voiceConnection.sockets.udp.send(packet)
-        .catch(e => this.emit('debug', `failed to send a packet ${e}`));
+        .catch(e => this.emit('debug', `Failed to send a packet ${e}`));
     }
   }