gha: Remove privilege helm option in {Ingress, Gateway}

[ upstream commit 58366eb ]

Originally, this option is added for old minikube version, which
requires privilege permission to mount ebpf dir, however, we have
migrated to kind + metallb in Ingress and Gateway related workflows.

Signed-off-by: Tam Mach <tam.mach@cilium.io>
Signed-off-by: Donia <donia.cld@isovalent.com>
Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>

.github/workflows/conformance-gateway-api.yaml

@@ -114,7 +114,6 @@ jobs:
             --helm-set=operator.image.tag=${SHA} \
             --helm-set=operator.image.useDigest=false \
             --helm-set kubeProxyReplacement=strict \
-            --helm-set=securityContext.privileged=true \
             --helm-set=gatewayAPI.enabled=true \
             --rollback=false \
             --version="

.github/workflows/conformance-ingress.yaml

@@ -125,7 +125,6 @@ jobs:
             --helm-set=operator.image.suffix=-ci \
             --helm-set=operator.image.tag=${SHA} \
             --helm-set=operator.image.useDigest=false \
-            --helm-set=securityContext.privileged=true \
             --helm-set kubeProxyReplacement=strict \
             --helm-set=ingressController.enabled=true \
             --helm-set=ingressController.loadbalancerMode=${{ matrix.loadbalancer-mode }} \