Remove RPM builds in GitHub Workflows

We are now building RPMs via mock in Jenkins, so we don't need these RPM
build jobs in GitHub Workflows.

Signed-off-by: Major Hayden <major@redhat.com>

.github/workflows/tests.yml

@@ -100,44 +100,3 @@ jobs:
           for f in samples/*; do
             python3 -m osbuild --libdir . --inspect "$f" > /dev/null
           done
-
-  rpm_build:
-    name: "📦 RPM"
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        fedora_release: ["31", "32", "33"]
-    container:
-      image: "docker.io/library/fedora:${{ matrix.fedora_release }}"
-    steps:
-      - name: "📥 Prepare container"
-        run: |
-          echo "fastestmirror=1" >> /etc/dnf/dnf.conf
-          echo "install_weak_deps=0" >> /etc/dnf/dnf.conf
-          rm -fv /etc/yum.repos.d/fedora*modular*
-          dnf -y upgrade
-          dnf -y install dnf-plugins-core findutils git make rpm-build rpmdevtools
-
-      - name: "🗄️ Clone the repository"
-        uses: actions/checkout@v2
-
-      - name: "🛒 Install RPM build dependencies"
-        run: dnf -qy builddep osbuild.spec
-
-      - name: "🛠️ Build RPMs"
-        run: |
-          mkdir rpms
-          make srpm
-          cp -av rpmbuild/SRPMS/*.rpm rpms/
-          make rpm
-          cp -av rpmbuild/RPMS/*/*.rpm rpms/
-
-      - name: "📤 Upload artifacts"
-        uses: actions/upload-artifact@v1
-        with:
-          name: rpms
-          path: rpms/
-
-      - name: "🔎 Test RPM installation"
-        run: dnf -y install $(ls rpms/*.noarch.rpm)