[Kubernetes] Fix kube scheduler metricset and dashboard

[constanca-m]

Currently, some of the scheduler metricset fields are deprecated. Namely:

• http_request_duration_microseconds
• http_request_size_bytes
• http_response_size_bytes
• http_requests_total
• scheduler_e2e_scheduling_duration_seconds
• scheduler_pod_preemption_victims

Moreover, the dashboard [Metrics Kubernetes] Scheduler no longer presents data: