Removed archlinux build stuff

.github/workflows/aur-pub.yml

@@ -1,21 +0,0 @@
-name: aur-pub
-on:
-  push:
-    tags:
-      - "*"
-jobs:
-  aur-publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Publish AUR package
-        uses: KSXGitHub/github-actions-deploy-aur@v2.2.4
-        with:
-          pkgname: termscp
-          pkgbuild: ./dist/pkgs/arch/PKGBUILD
-          commit_username: ${{ secrets.AUR_USERNAME }}
-          commit_email: ${{ secrets.AUR_EMAIL }}
-          ssh_private_key: ${{ secrets.AUR_KEY }}
-          commit_message: Update AUR package
-          ssh_keyscan_types: rsa,dsa,ecdsa,ed25519