remove karma-remap-istanbul dev dependency

Author: tiagoschenkel

karma.conf.js

@@ -38,7 +38,6 @@ module.exports = config => {
       "karma-webpack",
       "karma-sourcemap-writer",
       "karma-sourcemap-loader",
-      "karma-remap-istanbul",
       "karma-mocha-reporter",
       "karma-mocha",
       "karma-sinon-chai",

package.json

@@ -90,7 +90,6 @@
     "karma-es6-shim": "^1.0.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
-    "karma-remap-istanbul": "^0.6.0",
     "karma-sinon-chai": "^2.0.2",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-sourcemap-writer": "^0.1.2",