Remove obsolete dependencies

Author: oliversalzburg

package.json

@@ -29,7 +29,6 @@
         "gulp-sourcemaps": "^1.5.2",
         "gulp-uglify": "^1.2.0",
         "jasmine-node": "~1.14",
-        "jshint": "^2.5.6",
         "karma": "~0.12",
         "karma-chrome-launcher": "^0.1.5",
         "karma-coverage": "^0.2.6",
@@ -40,8 +39,7 @@
         "karma-phantomjs-launcher": "^0.1.4",
         "karma-safari-launcher": "^0.1.1",
         "karma-sauce-launcher": "^0.2.10",
-        "run-sequence": "^1.1.1",
-        "uglify-js": "^2.2.0"
+        "run-sequence": "^1.1.1"
     },
     "bugs": {
         "url": "https://github.com/stacktracejs/error-stack-parser/issues"