Remove unneeded code

lib/dialects/mysql/connector-manager.js

@@ -164,11 +164,7 @@ module.exports = (function() {
       return queueItem.query;
     }
 
-    if (!this.isConnected && !this.pool) {
-      this.connect()
-    }
-
-    var self = this, query = new Query(this.client, this.sequelize, callee, options || {});
+    var self = this, query = new Query(null, this.sequelize, callee, options || {});
     this.pendingQueries++;
 
     query.options.uuid = this.config.uuid
@@ -195,20 +191,6 @@ module.exports = (function() {
     return query;
   };
 
-  ConnectorManager.prototype.connect = function(callback) {
-    var self = this;
-    // in case database is slow to connect, prevent orphaning the client
-    if (this.isConnecting || this.pool) {
-      return;
-    }
-    connect.call(self, function(err, client) {
-      self.client = client;
-      callback(err, client);
-      return;
-    });
-    return;
-  };
-
   ConnectorManager.prototype.getConnection = function(options, callback) {
     var self = this;
 
@@ -219,10 +201,11 @@ module.exports = (function() {
 
     return new Utils.CustomEventEmitter(function (emitter) {
       if (!self.pool) {
+        // Regular client caching
         if (self.client) {
           return emitter.emit('success', self.client);
         } else {
-          // Cache for concurrency
+          // Cache for concurrent queries
           if (self._getConnection) {
             self._getConnection.proxy(emitter);
             return;