Remove unnecessary IIFE

https://stackoverflow.com/questions/21531329/are-node-js-modules-need-to
-be-wrapped-inside-the-module-pattern

routes/weather.js

@@ -1,5 +1,3 @@
-( function() {
-
 var http		= require( "http" ),
 //	parseXML	= require( "xml2js" ).parseString,
 	Cache		= require( "../models/Cache" ),
@@ -118,6 +116,7 @@
 	} );
 }
 */
+
 // Update weather cache record in the local database
 function updateCache( location, weather ) {
 
@@ -424,4 +423,3 @@
 	return ( date.getMonth() + 1 ) + "/" + date.getDate() + "/" + date.getFullYear();
 }
 */
-} )();