libpod/oci_conmon_linux: Remove AddPid call

Signed-off-by: Lokesh Mandvekar <lsm5@redhat.com>

Author: lsm5

libpod/oci_conmon_linux.go

@@ -17,7 +17,6 @@ import (
 	"github.com/containers/podman/v6/pkg/rootless"
 	runcconfig "github.com/opencontainers/cgroups"
 	devices "github.com/opencontainers/cgroups/devices/config"
-	fs2 "github.com/opencontainers/cgroups/fs2"
 	spec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/opencontainers/selinux/go-selinux"
 	"github.com/sirupsen/logrus"
@@ -220,10 +219,6 @@ func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec
 			_, err := cgroups.New(cgroupPath, &cgroupResources)
 			if err != nil {
 				logrus.StandardLogger().Logf(logLevel, "Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
-			} else if err := fs2.AddPid(cmd.Process.Pid); err != nil {
-				// we need to remove this defer and delete the cgroup once conmon exits
-				// maybe need a conmon monitor?
-				logrus.StandardLogger().Logf(logLevel, "Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
 			}
 		}
 	}