CI: remove docker builds

.github/workflows/docker.yml

@@ -1,50 +0,0 @@
-name: "Publish Docker Image"
-on:
-  workflow_dispatch:
-  push:
-    tags: ["v*"]
-
-jobs:
-  build-docker-image:
-    name: "Build Docker Image"
-    runs-on: ubuntu-latest
-
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
-      - name: Magic Nix Cache
-        uses: DeterminateSystems/magic-nix-cache-action@main
-
-      - name: Build Docker Image
-        run: nix build .#docker-nix --print-build-logs
-
-      - name: Load & Tag Built Docker Image
-        run: |
-          docker load -i result &&
-          docker tag neovim-flake:latest notashelf/neovim-flake:latest
-
-      - name: Log into DockerHub
-        uses: docker/login-action@master
-        with:
-          username: notashelf
-          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
-
-      - name: Push to DockerHub
-        run: docker push notashelf/neovim-flake:latest
-
-      - name: Log into ghcr
-        uses: docker/login-action@master
-        with:
-          registry: "ghcr.io"
-          username: "${{ github.actor }}"
-          password: "${{ secrets.GITHUB_TOKEN }}"
-
-      - name: Publish Docker Image (Github Packages)
-        run: docker push notashelf/neovim-flake:latest