Revert "Workaround actions/runner-images#2703

and https://bugzilla.redhat.com/show_bug.cgi?id=1928643."

This reverts commit 54d464f.

Package dependencies got fixed.
Podman 3.0.1 fixes 1928643, a.k.a. containers/podman#9354.

.github/workflows/build-test.yaml

@@ -96,6 +96,8 @@ jobs:
       matrix:
         os: [ fedora-33, centos-8 ]
     steps:
+      - name: Install podman
+        run: . /etc/os-release && echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key | sudo apt-key add - && sudo apt-get update -y && sudo apt-get install -y podman
       - uses: actions/checkout@v2
       - uses: actions/download-artifact@v2
         with:
@@ -117,8 +119,8 @@ jobs:
       matrix:
         os: [ fedora-33, centos-8 ]
     steps:
-      - name: Install fuse-overlayfs for rootless podman
-        run: . /etc/os-release && echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key | sudo apt-key add - && sudo apt-get update -y && sudo apt-get install -y 'podman=2.2.1~4' fuse-overlayfs
+      - name: Install podman and others
+        run: . /etc/os-release && echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key | sudo apt-key add - && sudo apt-get update -y && sudo apt-get install -y podman fuse-overlayfs uidmap slirp4netns
       - uses: actions/checkout@v2
       - uses: actions/download-artifact@v2
         with:

.travis.yml

@@ -57,9 +57,18 @@ jobs:
       env: dockerfile=fedora-33 readonly=--read-only
       workspaces:
         use: fedora-33
+    - env: dockerfile=fedora-33 docker='sudo podman'
+      workspaces:
+        use: fedora-33
+    - env: dockerfile=fedora-33 docker=podman replica=none
+      workspaces:
+        use: fedora-33
     - env: dockerfile=centos-8 readonly=--read-only
       workspaces:
         use: centos-8
+    - env: dockerfile=centos-8 docker='sudo podman'
+      workspaces:
+        use: centos-8
 
     - &test-k3s
       env: dockerfile=fedora-33