remove default-allow-same-namespace network policy

Signed-off-by: Harshvir Potpose <[email protected]>

Author: akagami-harsh

manifests/kustomize/base/pipeline/allow-same-namespace-networkpolicy.yaml

@@ -34,7 +34,6 @@ resources:
   - container-builder-sa.yaml
   - viewer-sa.yaml
   - kfp-launcher-configmap.yaml
-  - allow-same-namespace-networkpolicy.yaml
 images:
   - name: ghcr.io/kubeflow/kfp-api-server
     newTag: 2.15.0