Proj4js no longer needed for wmts-from-capabilities example

The WMTS capabilities document of the Vienna map has changed. It
no longer defines a tileset for EPSG:31256, so it can be parsed
without having Proj4js and a projection definition for
EPSG:31256.

examples/wmts-from-capabilities.js

@@ -6,12 +6,6 @@ goog.require('ol.parser.ogc.WMTSCapabilities');
 goog.require('ol.source.WMTS');
 
 
-// the getCapabilities document uses EPSG:31256 projection
-Proj4js.defs['EPSG:31256'] = '+proj=tmerc +lat_0=0 ' +
-    '+lon_0=16.33333333333333 +k=1 +x_0=0 +y_0=-5000000 +ellps=bessel ' +
-    '+towgs84=577.326,90.129,463.919,5.137,1.474,5.297,2.4232 ' +
-    '+units=m +no_defs';
-
 var map, capabilities;
 var parser = new ol.parser.ogc.WMTSCapabilities();