Revert "added close method to close redis connection"

This reverts commit f8649ce.

Author: jdmnd

src/cache-connector.js

@@ -24,21 +24,6 @@ var CacheConnector = function( options ) {
 
 util.inherits( CacheConnector, Connection )
 
-/**
- * Gracefully close the connection to redis
- *
- * Called when deepstream.close() is invoked.
- * Emits 'close' event to notify deepstream of clean closure.
- *
- * @public
- * @returns {void}
- */
-CacheConnector.prototype.close = function(){
-  this.client.removeAllListeners( 'end'  )
-  this.client.once( 'end', this.emit.bind( this, 'close'  )  )
-  this.client.quit()
-}
-
 /**
  * Deletes an entry from the cache.
  *
@@ -96,4 +81,4 @@ CacheConnector.prototype.get = function( key, callback ) {
   })
 }
 
-module.exports = CacheConnector
+module.exports = CacheConnector