chore(package): remove karma dependencies

Author: joshwiens

karma.conf.js

@@ -49,32 +49,26 @@
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
     "babel-polyfill": "^6.23.0",
     "babel-preset-env": "^1.2.2",
-    "chai": "^3.0.0",
-    "chai-spies": "^0.7.1",
     "cross-env": "^3.2.4",
     "del-cli": "^0.2.1",
     "eslint": "^3.18.0",
     "eslint-config-webpack": "^1.2.0",
     "eslint-plugin-import": "^2.2.0",
     "jest": "^19.0.2",
     "json-loader": "^0.5.4",
-    "karma": "^1.0.0",
-    "karma-chrome-launcher": "^1.0.1",
-    "karma-mocha": "^1.0.1",
-    "karma-spec-reporter": "0.0.26",
-    "karma-webpack": "^1.5.1",
     "lint-staged": "^3.4.0",
     "lodash": "^4.6.1",
-    "mocha": "^2.5.3",
     "node-libs-browser": "^1.0.0",
     "nodemon": "^1.11.0",
     "nsp": "^2.6.3",
     "pre-commit": "^1.2.2",
     "raw-loader": "^0.5.1",
     "standard-version": "^4.0.0",
-    "webpack": "^2.3.0",
     "webpack-defaults": "^0.4.5"
   },
+  "peerDependencies": {
+    "webpack": "^2.3.0"
+  },
   "engines": {
     "node": ">= 4.3 < 5.0.0 || >= 5.10"
   },