refactor(stacks-instances): 🚚 migrate sizer-receiver to ci-sizer namespace (dev.t09.de)

Move sizer-receiver from stacks/garm/ to stacks/ci-sizer/ for
dev.t09.de only. edp.buildth.ing stays in garm (not deployed yet).

otc/dev.t09.de/stacks/garm/sizer-receiver.yaml

@@ -1,25 +0,0 @@
-apiVersion: argoproj.io/v1alpha1
-kind: Application
-metadata:
-  name: sizer-receiver
-  namespace: argocd
-  labels:
-    env: dev
-  finalizers:
-    - resources-finalizer.argocd.argoproj.io
-spec:
-  project: default
-  syncPolicy:
-    automated:
-      selfHeal: true
-    syncOptions:
-      - CreateNamespace=true
-    retry:
-      limit: -1
-  destination:
-    name: in-cluster
-    namespace: garm
-  source:
-    repoURL: https://edp.buildth.ing/DevFW-CICD/stacks-instances
-    targetRevision: HEAD
-    path: "otc/dev.t09.de/stacks/garm/sizer-receiver"