[hotfix] change to ArgoCD Vault Plugin 4 (!99)

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/99

clusters/k8s-avroid-office.prod.local/namespaces/cloud-prod/monitoring/prometheus/values-override.yaml

@@ -44,28 +44,6 @@ server:
   ## Maybe same with Ingress host name
   baseURL: "cloud-k8s-prometheus.avroid.tech"
 
-  ## Additional server container environment variables
-  ##
-  ## You specify this manually like you would a raw deployment manifest.
-  ## This means you can bind in environment variables from secrets.
-  ##
-  ## e.g. static environment variable:
-  ##  - name: DEMO_GREETING
-  ##    value: "Hello from the environment"
-  ##
-  ## e.g. secret environment variable:
-  ## - name: USERNAME
-  ##   valueFrom:
-  ##     secretKeyRef:
-  ##       name: mysecret
-  ##       key: username
-  env:
-    - name: CONSUL_SECRET
-      valueFrom:
-        secretKeyRef:
-          name: prometheus-secret
-          key: consul.secret
-
   ## Additional Prometheus server Secret mounts
   # Defines additional mounts with secrets. Secrets must be manually created in the namespace.
   extraSecretMounts: