remove api server from kube-scrape, same metrics from kubelet

monitoring/base/alloy/kube-scraper/config.alloy

@@ -223,58 +223,6 @@ prometheus.scrape "cadvisor" {
   }
 }
 
-// ============================================
-// API Server discovery
-// ============================================
-
-discovery.relabel "apiserver" {
-  targets = discovery.kubernetes.kube_services.targets
-
-  rule {
-    source_labels = ["__meta_kubernetes_service_name"]
-    regex         = "kubernetes"
-    action        = "keep"
-  }
-
-  rule {
-    regex  = ".*_uid$|.*_id$|^annotation_.*|^label_.*|^endpoint_.*|^pod_ip$"
-    action = "drop"
-  }
-
-  rule {
-    regex  = "apiserver_flowcontrol_.*|apiserver_envelope_.*"
-    action = "drop"
-  }
-
-  rule {
-    target_label = "cluster"
-    replacement  = sys.env("CLUSTER_NAME")
-  }
-
-  rule {
-    target_label = "zone"
-    replacement  = sys.env("ZONE")
-  }
-}
-
-prometheus.scrape "apiserver" {
-  job_name = "integrations/kubernetes/apiserver"
-  targets  = discovery.relabel.apiserver.output
-
-  scheme = "https"
-  metrics_path = "/metrics"
-
-  tls_config {
-    server_name          = "kubernetes"
-    ca_file              = "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
-    insecure_skip_verify = true
-  }
-
-  bearer_token_file = "/var/run/secrets/kubernetes.io/serviceaccount/token"
-
-  forward_to = [prometheus.remote_write.prometheus_srv.receiver]
-}
-
 // ============================================
 // CoreDNS discovery (ENDPOINTS)
 // ============================================