Chore: Upgrade babel packages (#736)

Chore: Upgrade babel

package.json

@@ -20,7 +20,7 @@
     "bourbon": "^6.0.0",
     "chart.js": "~2.5.0",
     "copy-text-to-clipboard": "^2.1.1",
-    "core-js": "2",
+    "core-js": "3",
     "dotenv": "^8.0.0",
     "emojione": "~2.2.7",
     "foundation-sites": "~6.5.3",
@@ -54,17 +54,17 @@
     "vuex-router-sync": "~4.1.2"
   },
   "devDependencies": {
-    "@babel/core": "^7.8.6",
-    "@babel/polyfill": "^7.6.0",
-    "@babel/preset-env": "~7.8.4",
-    "@vue/babel-preset-app": "^3.11.0",
+    "@babel/core": "^7.9.0",
+    "@babel/plugin-proposal-class-properties": "^7.8.3",
+    "@babel/preset-env": "^7.9.5",
     "@vue/test-utils": "^1.0.0-beta.29",
     "babel-core": "^7.0.0-bridge.0",
-    "babel-eslint": "^10.0.3",
+    "babel-eslint": "^10.1.0",
     "babel-helper-vue-jsx-merge-props": "^2.0.3",
-    "babel-jest": "^25.1.0",
+    "babel-jest": "^25.3.0",
+    "babel-loader": "^8.1.0",
     "eslint": "^6.8.0",
-    "eslint-config-airbnb": "^18.1.0",
+    "eslint-config-airbnb-base": "^14.1.0",
     "eslint-config-prettier": "^4.0.0",
     "eslint-import-resolver-webpack": "^0.11.1",
     "eslint-plugin-babel": "^5.3.0",
@@ -72,8 +72,6 @@
     "eslint-plugin-import": "^2.16.0",
     "eslint-plugin-jsx-a11y": "^6.2.1",
     "eslint-plugin-prettier": "^3.0.1",
-    "eslint-plugin-react": "^7.19.0",
-    "eslint-plugin-react-hooks": "^2.5.1",
     "eslint-plugin-vue": "^6.2.2",
     "expect-more-jest": "^2.4.2",
     "husky": ">=1",