[group-challenge]: remove bitnami postgres chart dependency (#17)

Signed-off-by: Tom Schöner <[email protected]>

Author: tom-schoener

charts/group-challenge/Chart.lock

@@ -2,10 +2,5 @@ apiVersion: v2
 name: group-challenge
 description: Group challenge helm chart
 type: application
-version: 1.2.5
+version: 2.0.0
 appVersion: "0.14.0"
-dependencies:
-  - name: postgresql
-    version: 11.9.6
-    repository: https://charts.bitnami.com/bitnami
-    condition: postgresql.enabled

charts/group-challenge/Chart.yaml

@@ -101,17 +101,6 @@ imgProxy:
   image:
     repository: darthsim/imgproxy
     pullPolicy: IfNotPresent
-    tag: "v3.21.0"
+    tag: "v3.29.1"
   env: []
   resources: {}
-
-postgresql:
-  enabled: true
-  fullnameOverride: gc-postgres
-  primary:
-    podAnnotations:
-      "cluster-autoscaler.kubernetes.io/safe-to-evict": "true"
-  auth:
-    database: "group_challenge"
-    enablePostgresUser: true
-    postgresPassword: postgres