fix(spotify): clean up unused files and variables

Author: phts

spotify/config.json

@@ -2,29 +2,20 @@
 
 var libQ = require('kew');
 var fs = require('fs-extra');
-var config = new (require('v-conf'))();
 var superagent = require('superagent');
 var os = require('os');
 var websocket = require('ws');
 var path = require('path');
 var SpotifyWebApi = require('spotify-web-api-node');
 var io = require('socket.io-client');
 var exec = require('child_process').exec;
-var execSync = require('child_process').execSync;
 var NodeCache = require('node-cache');
-var os = require('os');
 var { fetchPagedData, rateLimitedCall } = require('./utils/extendedSpotifyApi');
 
 var configFileDestinationPath = '/tmp/go-librespot-config.yml';
 var credentialsPath = '/data/configuration/music_service/spop/spotifycredentials.json';
 var spotifyDaemonPort = '9879';
 var spotifyLocalApiEndpointBase = 'http://127.0.0.1:' + spotifyDaemonPort;
-var stateSocket = undefined;
-
-var selectedBitrate;
-var loggedInUsername;
-var loggedInUserId;
-var userCountry;
 var seekTimer;
 var restartTimeout;
 var wsConnectionStatus = 'started';
@@ -791,15 +782,10 @@ ControllerSpotify.prototype.isOauthLoginAlreadyConfiguredOnDaemon = function ()
     }
 };
 
-ControllerSpotify.prototype.saveGoLibrespotSettings = function (data, avoidBroadcastUiConfig) {
+ControllerSpotify.prototype.saveGoLibrespotSettings = function (data) {
     var self = this;
     var defer = libQ.defer();
 
-    var broadcastUiConfig = true;
-    if (avoidBroadcastUiConfig === true){
-        broadcastUiConfig = false;
-    }
-
     if (data.bitrate !== undefined && data.bitrate.value !== undefined) {
         self.config.set('bitrate_number', data.bitrate.value);
     }

spotify/index.js

@@ -8,9 +8,6 @@
 	},
 	"author": "Ashthespy, Balbuze, Skirkwood",
 	"license": "ISC",
-	"vollibrespot": {
-		"version": "0.2.5"
-	},
 	"volumio_info": {
 		"prettyName": "Spotify",
 		"icon": "fa-spotify",