Cleanup and update some dependencies

package.json

@@ -5,20 +5,19 @@
         "@fortawesome/free-solid-svg-icons": "^5.15.1",
         "@fortawesome/react-fontawesome": "^0.1.11",
         "@tailwindcss/forms": "^0.2.1",
-        "axios": "^0.19.2",
+        "axios": "^0.21.1",
         "chart.js": "^2.8.0",
         "codemirror": "^5.57.0",
-        "date-fns": "^2.14.0",
+        "date-fns": "^2.16.1",
         "debounce": "^1.2.0",
         "deepmerge": "^4.2.2",
-        "easy-peasy": "^3.3.1",
+        "easy-peasy": "^4.0.1",
         "events": "^3.0.0",
-        "formik": "^2.1.4",
+        "formik": "^2.2.6",
         "i18next": "^19.0.0",
         "i18next-chained-backend": "^2.0.0",
         "i18next-localstorage-backend": "^3.0.0",
         "i18next-xhr-backend": "^3.2.2",
-        "jquery": "^3.3.1",
         "path": "^0.12.7",
         "query-string": "^6.7.0",
         "react": "^16.13.1",
@@ -27,10 +26,8 @@
         "react-fast-compare": "^3.2.0",
         "react-ga": "^3.1.2",
         "react-google-recaptcha": "^2.0.1",
-        "react-helmet": "^6.1.0",
         "react-hot-loader": "^4.12.21",
         "react-i18next": "^11.2.1",
-        "react-redux": "^7.1.0",
         "react-router-dom": "^5.1.2",
         "react-transition-group": "^4.4.1",
         "reaptcha": "^1.7.2",
@@ -103,7 +100,6 @@
         "terser-webpack-plugin": "^3.0.6",
         "twin.macro": "^2.0.7",
         "typescript": "^3.9.6",
-        "typescript-plugin-tw-template": "^2.0.1",
         "webpack": "^4.43.0",
         "webpack-assets-manifest": "^3.1.1",
         "webpack-bundle-analyzer": "^3.8.0",