shimv2 : Remove workaround for sharedPidNs

Removing code that existed as a workaround for a bug in
how shared process namespaces were handled in the agent.
That has been long fixed in the agent.
With this, sharedPidNs will now work with shimv2.

Fixes #2788

Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>

containerd-shim-v2/create.go

@@ -132,14 +132,6 @@ func loadSpec(r *taskAPI.CreateTaskRequest) (*specs.Spec, string, error) {
 		return nil, "", err
 	}
 
-	// Todo:
-	// Since there is a bug in kata for sharedPidNs, here to
-	// remove the pidns to disable the sharePidNs temporarily,
-	// once kata fixed this issue, we can remove this line.
-	// For the bug, please see:
-	// https://github.com/kata-containers/runtime/issues/930
-	removeNamespace(&ociSpec, specs.PIDNamespace)
-
 	return &ociSpec, bundlePath, nil
 }