Clean up dead environment config

otc/dev.t09.de/stacks/observability/victoria-k8s-stack/manifests/alerts.yaml

@@ -1,40 +0,0 @@
-apiVersion: operator.victoriametrics.com/v1beta1
-kind: VMRule
-metadata:
-  name: forgejo-alerts
-  namespace: observability
-spec:
-  groups:
-    - name: forgejo
-      rules:
-        - alert: forgejo down
-          expr: sum by(cluster_environment) (up{pod=~"forgejo-server-.*"}) < 1
-          for: 30s
-          labels:
-            severity: critical
-            job:  "{{ $labels.job }}"
-          annotations:
-            value: "{{ $value }}"
-            description: 'forgejo is down in cluster environment {{ $labels.cluster_environment }}'
-    - name: forgejo-backup
-      rules:
-        - alert: forgejo s3 backup job failed
-          expr: max by(cluster_environment) (kube_job_status_failed{job_name=~"forgejo-s3-backup-.*"}) != 0
-          for: 30s
-          labels:
-            severity: critical
-            job:  "{{ $labels.job }}"
-          annotations:
-            value: "{{ $value }}"
-            description: 'forgejo s3 backup job failed in cluster environment {{ $labels.cluster_environment }}'
-    - name: disk-consumption-high
-      rules:
-        - alert: disk consumption high
-          expr: 1-(kubelet_volume_stats_available_bytes / kubelet_volume_stats_capacity_bytes) > 0.6
-          for: 30s
-          labels:
-            severity: major
-            job:  "{{ $labels.job }}"
-          annotations:
-            value: "{{ $value }}"
-            description: 'disk consumption of pvc {{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }} is high in cluster environment {{ $labels.cluster_environment }}'