chore: clean unused dependencies

Author: wesleycho

package.json

@@ -63,9 +63,6 @@
     "jsdoc": "git://github.com/jsdoc3/jsdoc.git#v3.2.2",
     "karma": "~0.12.0",
     "karma-chrome-launcher": "~0.1.0",
-    "karma-coffee-preprocessor": "~0.1.0",
-    "karma-firefox-launcher": "~0.1.0",
-    "karma-html2js-preprocessor": "~0.1.0",
     "karma-jasmine": "~0.3.6",
     "karma-phantomjs-launcher": "~0.1.0",
     "karma-script-launcher": "~0.1.0",