test/k8s: Remove replaced service load-balancing tests
test/k8s: Remove replaced service load-balancing tests

Replaced tests:

"Check DualStack services" => test/control-plane/services/dual-stack
"Check in-cluster KPR / Tests NodePort" => test/control-plane/services/nodeport
"Check in-cluster KPR / Tests HostPort" => test/control-plane/services/nodeport
"Check in-cluster KPR / Tests NodePort with sessionAffinity" => bpf/tests/session_affinity_test.c
"Checks connectivity when skipping socket lb in pod ns" => bpf/tests/host_only_socket_lb_test.c

Signed-off-by: Jussi Maki <815a75beb28872a948187eedbc7c4f9d2497c924@isovalent.com>

cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium