Reverting the last commit, as the author (Donn) says it is not

ready and needs some work before it should be integrated into
the github workflows.

.github/workflows/appimage.yml

@@ -1,30 +0,0 @@
-
-on:
-  push:
-    tags:
-       - '*'
-
-name: CI
-
-jobs:
-  build_linux:
-    name: Build/Linux
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-      - name: Get the version
-        id: get_version
-        run: |
-         export VERSION_NUM=$(ruby -e "print '$GITHUB_REF'.split('/')[2]")
-         echo ::set-output name=value::${VERSION_NUM}
-      - name: Build project
-        run: |
-          cd appimage
-          make
-          cp Magic-x86_64.AppImage /tmp/Magic-${{ steps.get_version.outputs.value }}-x86_64.AppImage
-      - name: Upload Release Asset
-        uses: softprops/action-gh-release@v1
-        with:
-          files:
-            /tmp/Magic-${{ steps.get_version.outputs.value }}-x86_64.AppImage