stop reporting errors removing containers that don't exist

Init containers are removed once they exit, but podman
reports and error that the container does not exist, when
it was previously removed.  Stop reporting missing containers
when removing.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

libpod/pod_api.go

@@ -44,10 +44,6 @@ func (p *Pod) startInitContainers(ctx context.Context) error {
 				icLock.Unlock()
 				return fmt.Errorf("failed to remove once init container %s: %w", initCon.ID(), err)
 			}
-			// Removing a container this way requires an explicit call to clean up the db
-			if err := p.runtime.state.RemoveContainerFromPod(p, initCon); err != nil {
-				logrus.Errorf("Removing container %s from database: %v", initCon.ID(), err)
-			}
 			icLock.Unlock()
 		}
 	}

test/system/700-play.bats

@@ -207,7 +207,7 @@ EOF
     run_podman container inspect --format "{{.HostConfig.NetworkMode}}" $infraID
     is "$output" "none" "network mode none is set for the container"
 
-    run_podman kube down - < $PODMAN_TMPDIR/test.yaml
+    run_podman kube down $PODMAN_TMPDIR/test.yaml
     run_podman 125 inspect test_pod-test
     is "$output" ".*Error: inspecting object: no such object: \"test_pod-test\""
     run_podman pod rm -a
@@ -436,6 +436,38 @@ status: {}
     run_podman rm -f -t0 myyaml
 }
 
+@test "podman play with init container" {
+    TESTDIR=$PODMAN_TMPDIR/testdir
+    mkdir -p $TESTDIR
+
+testUserYaml="
+apiVersion: v1
+kind: Pod
+metadata:
+  name: pod
+spec:
+  containers:
+  - command:
+    - ls
+    - /dev/shm/test1
+    image: $IMAGE
+    name: testCtr
+  initContainers:
+  - command:
+    - touch
+    - /dev/shm/test1
+    image: $IMAGE
+    name: initCtr
+"
+    echo "$testUserYaml" > $PODMAN_TMPDIR/test.yaml
+    run_podman kube play $PODMAN_TMPDIR/test.yaml
+    assert "$output" !~ "level=" "init containers should not generate logrus.Error"
+    run_podman inspect --format "{{.State.ExitCode}}" pod-testCtr
+    is "$output" "0" "init container should have created /dev/shm/test1"
+
+    run_podman kube down $PODMAN_TMPDIR/test.yaml
+}
+
 @test "podman kube play - hostport" {
     HOST_PORT=$(random_free_port)
     echo "