Remove JQuery dependency

This dependency is not actually used and was causing security violations

src/package-lock.json

       "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
       "dev": true
     },
-    "jquery": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.3.1.tgz",
-      "integrity": "sha512-Ubldcmxp5np52/ENotGxlLe6aGMvmF4R8S6tZjsP6Knsaxd/xp3Zrh50cG93lR6nPXyUFwzN3ZSOQI0wRJNdGg==",
-      "dev": true
-    },
     "js-base64": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.5.0.tgz",

src/package.json

     "cssnano": "^3.10.0",
     "extract-text-webpack-plugin": "^2.1.0",
     "file-loader": "^0.11.1",
-    "jquery": "^3.2.1",
     "postcss": "^5.2.16",
     "postcss-cssnext": "^2.10.0",
     "postcss-import": "^9.1.0",