metrics: Update sysbench pod yaml

This PR updates the sysbench pod yaml by removing the shareProcessNamespace
configuration as this bench does not need that processes in the container
are visible to all containers in the same pod.

Fixes #5370

Signed-off-by: Gabriela Cervantes <[email protected]>

Author: GabyCT

metrics/density/runtimeclass_workloads/sysbench-pod.yaml

@@ -9,7 +9,6 @@ metadata:
   name: test-sysbench
 spec:
   terminationGracePeriodSeconds: 0
-  shareProcessNamespace: true
   runtimeClassName: kata
   containers:
   - name: test-sysbench