[Test] Removed example/*.html from karma.conf.js

Fixes nasa#1233

Author: charlesh88

karma.conf.js

@@ -37,6 +37,7 @@ module.exports = function(config) {
             {pattern: 'bower_components/**/*.js', included: false},
             {pattern: 'node_modules/d3-*/**/*.js', included: false},
             {pattern: 'src/**/*.js', included: false},
+            {pattern: 'example/**/*.html', included: false},
             {pattern: 'example/**/*.js', included: false},
             {pattern: 'example/**/*.json', included: false},
             {pattern: 'platform/**/*.js', included: false},