Update packages and remove Babel plugins

Author: WesCossick

babel.config.js

@@ -11,8 +11,4 @@ module.exports = {
 		'@babel/preset-typescript',
 		'@babel/preset-react',
 	],
-	plugins: [
-		'@babel/plugin-proposal-nullish-coalescing-operator', // TODO: Will become unnecessary soon: https://github.com/babel/babel/issues/10690
-		'@babel/plugin-proposal-optional-chaining', // TODO: Will become unnecessary soon: https://github.com/babel/babel/issues/10690
-	],
 };

package.json

@@ -44,8 +44,6 @@
 	},
 	"devDependencies": {
 		"@babel/core": "^7.7.5",
-		"@babel/plugin-proposal-nullish-coalescing-operator": "^7.7.4",
-		"@babel/plugin-proposal-optional-chaining": "^7.7.5",
 		"@babel/preset-env": "^7.7.6",
 		"@babel/preset-react": "^7.7.4",
 		"@babel/preset-typescript": "^7.7.4",