Remove unsupported FC31 build

.github/workflows/all.yml

@@ -94,7 +94,6 @@ jobs:
     needs:
       - build_bionic_64
       - build_buster_64
-      - build_fedora_31
       - build_fedora_32
       - build_fedora_33
       - build_fedora_34
@@ -388,73 +387,6 @@ jobs:
           name: release_fedora_32
           path: ~/rpmbuild/RPMS/*/clementine-*.rpm
 
-  build_fedora_31:
-    name: Build Fedora 31 RPM
-    runs-on: ubuntu-18.04
-    container:
-      image: fedora:31
-    env:
-      RPM_BUILD_NCPUS: "2"
-    steps:
-      - name: Install dependencies
-        run: >
-          dnf install --assumeyes
-          @development-tools
-          alsa-lib-devel
-          boost-devel
-          cmake
-          cryptopp-devel
-          dbus-devel
-          desktop-file-utils
-          fftw-devel
-          gcc-c++
-          gettext
-          git
-          glew-devel
-          gstreamer1-devel
-          gstreamer1-plugins-base-devel
-          hicolor-icon-theme
-          libappstream-glib
-          libcdio-devel
-          libchromaprint-devel
-          libgpod-devel
-          liblastfm-qt5-devel
-          libmtp-devel
-          libnotify-devel
-          openssh
-          pkgconfig
-          protobuf-compiler
-          protobuf-devel
-          pulseaudio-libs-devel
-          qca-qt5-devel
-          qca-qt5-ossl
-          qt5-devel
-          rpmdevtools
-          sha2-devel
-          sparsehash-devel
-          sqlite-devel
-          taglib-devel
-          tar
-      - uses: actions/checkout@v1.2.0
-      - name: cmake
-        working-directory: bin
-        run: cmake ..
-      - name: Build source tarball
-        working-directory: bin
-        run: ../dist/maketarball.sh
-      - name: Create rpmbuild directory
-        run: mkdir -p ~/rpmbuild/SOURCES
-      - name: Move source tarball
-        working-directory: bin
-        run: mv clementine-*.tar.xz ~/rpmbuild/SOURCES
-      - name: Build RPM
-        working-directory: bin
-        run: rpmbuild -ba ../dist/clementine.spec
-      - uses: actions/upload-artifact@v2
-        with:
-          name: release_fedora_31
-          path: ~/rpmbuild/RPMS/*/clementine-*.rpm
-
   build_mingw:
     name: Build Windows Installer
     runs-on: ubuntu-18.04