Remove helm versions from ci templates

Author: jknipper

ci/task_helm_kubernikus-dex.yaml

@@ -53,7 +53,6 @@ params:
   KUBELOGON_PASSWORD:
   KUBERNIKUS_NAME:
   KUBERNIKUS_URL:
-  HELM_VERSION: 3.12.1
   VAULT_ADDR:      https://vault.global.cloud.sap # DO NOT CHANGE
   VAULT_KV_ENGINE: secrets                        # DO NOT CHANGE
   VAULT_ROLE_ID:   # (required) set this to ((auth.role_id)) to receive credentials automatically from Concourse

ci/task_helm_kubernikus.yaml

@@ -72,7 +72,6 @@ params:
   KUBELOGON_PASSWORD:
   KUBERNIKUS_NAME:
   KUBERNIKUS_URL:
-  HELM_VERSION: 3.12.1
   VAULT_ADDR:      https://vault.global.cloud.sap # DO NOT CHANGE
   VAULT_KV_ENGINE: secrets                        # DO NOT CHANGE
   VAULT_ROLE_ID:   # (required) set this to ((auth.role_id)) to receive credentials automatically from Concourse

ci/task_helm_seed.yaml

@@ -30,7 +30,6 @@ params:
   KUBELOGON_PASSWORD:
   NAMESPACE: monsoon3
   RELEASE: kubernikus
-  HELM_VERSION: 3.12.1
   VAULT_ADDR:      https://vault.global.cloud.sap # DO NOT CHANGE
   VAULT_KV_ENGINE: secrets                        # DO NOT CHANGE
   VAULT_ROLE_ID:   # (required) set this to ((auth.role_id)) to receive credentials automatically from Concourse