remove demo workflow as it's not working

.github/workflows/demo.yml

@@ -1,16 +0,0 @@
-name: "Demo"
-on:
-  pull_request:
-  push:
-jobs:
-  tests:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v22
-      with:
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
-    - run: |
-        for d in ./demo;
-          do (cd "$d"; nix flake check)
-        done

README.md

@@ -19,7 +19,6 @@ For each service, I intend to provide turn-key Nix options to setup:
 <!--toc:start-->
 - [Supported Features](#supported-features)
 - [Usage](#usage)
-- [Demos](#demos)
 - [Examples](#examples)
   - [Add SSL configuration](#add-ssl-configuration)
   - [Add LDAP and Authelia services](#add-ldap-and-authelia-services)
@@ -725,6 +724,7 @@ $ nix run nixpkgs#openssl -- rand -hex 64
 - [ ] Many more tests.
 - [ ] Tests deploying to real nodes.
 - [ ] DNS must be more configurable.
+- [ ] Fix tests on nix-darwin.
 
 ## Links that helped