fix: resolve issues with helm deployments (#8)

- remove helm-patch files that are unused
- change platform namespaces allowed to *-system
- change chart name

Reviewed-on: #8

apps/overlays/au-syd1/reflector-system/helm-patch.yaml

@@ -1,8 +0,0 @@
----
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-
-helmCharts:
-  - name: reflector
-    valuesFiles:
-      - values.yaml

apps/overlays/au-syd1/reloader-system/helm-patch.yaml

@@ -1,8 +0,0 @@
----
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-
-helmCharts:
-  - name: reflector
-    valuesFiles:
-      - values.yaml

apps/overlays/au-syd1/reloader-system/kustomization.yaml

@@ -9,6 +9,6 @@ helmCharts:
   - name: reloader
     repo: https://stakater.github.io/stakater-charts
     version: "2.2.8"
-    releaseName: stakater/reloader
+    releaseName: reloader
     namespace: reloader-system
     valuesFile: values.yaml