removed error observing of sql client

lib/dialects/mysql/query.js

@@ -20,15 +20,11 @@ module.exports = (function() {
   Query.prototype.run = function(sql) {
     this.sql = sql
 
-    bindClient.call(this)
-
     if(this.options.logging !== false) {
       this.options.logging('Executing: ' + this.sql)
     }
 
     this.client.query(this.sql, function(err, results, fields) {
-      unbindClient.call(this)
-
       this.emit('sql', this.sql)
 
       if (err) {
@@ -45,20 +41,5 @@ module.exports = (function() {
     return this
   }
 
-  //private
-
-  var onClientError = function(err) {
-    unbindClient.call(this)
-    this.emit('error', err, this.callee)
-  }
-
-  var bindClient = function() {
-    this.client.on('error', onClientError.bind(this))
-  }
-
-  var unbindClient = function() {
-    this.client.removeListener('error', onClientError.bind(this))
-  }
-
   return Query
 })()