Simplify frontend

Just a login form and a list of applications. No modals or anything like
that.

.eslintrc.yaml

@@ -8,32 +8,16 @@ env:
 parserOptions:
   ecmaVersion: 2018
   sourceType: module
-  ecmaFeatures:
-    jsx: true
 
 extends:
   - eslint:recommended
   - plugin:@typescript-eslint/recommended
   - plugin:import/recommended
   - plugin:import/typescript
-  - plugin:react/recommended
   - plugin:prettier/recommended
   - prettier # Removes eslint rules that conflict with prettier.
   - prettier/@typescript-eslint # Remove conflicts again.
 
-plugins:
-  - react-hooks
-
-# Need to set this explicitly for the eslint-plugin-react.
-settings:
-  react:
-    version: detect
-
 rules:
   # For overloads.
   no-dupe-class-members: off
-
-  # https://www.npmjs.com/package/eslint-plugin-react-hooks
-  react-hooks/rules-of-hooks: error
-
-  react/prop-types: off # We use Typescript to verify prop types.