Remove donate

.github/workflows/donate.yml

@@ -1,25 +0,0 @@
-name: donate
-
-on:
-  issues:
-    types: [opened, closed]
-  schedule:
-    - cron: '15 * * * *' # for updating balance
-
-jobs:
-  comment:
-    runs-on: ubuntu-latest
-    steps:
-      - env:
-          # https://github.com/jollheef/donate/blob/master/dashboard/whitelist.go
-          DASHBOARD_ACCESS_TOKEN: ${{ secrets.DONATE_DASHBOARD_ACCESS_TOKEN }}
-          # the scope is current repository only
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          TOOL: "https://github.com/jollheef/donate/archive/master.tar.gz"
-        run: |
-          curl -L https://nixos.org/nix/install | sh
-          . ~/.nix-profile/etc/profile.d/nix.sh
-          # Use latest stable nixpkgs channel
-          nix-channel --add https://nixos.org/channels/nixos-20.03 nixpkgs
-          nix-channel --update
-          nix run -f $TOOL -c donate-ci