fix(fc-devicemgmt): remove self-referential Application resource (Q-MR-79)

ApplicationSet already creates infra-fc-devicemgmt; removing the in-repo Application child clears the self-reference drift.

.gitattributes

@@ -1,2 +0,0 @@
-*.yaml text eol=lf
-*.yml text eol=lf

apps/fc-desktop/remotedesktop-pools.yaml

@@ -1,30 +0,0 @@
-# FlowerCore RemoteDesktop warm-pool posture.
-#
-# The RemoteDesktop Web and Operator Deployments remain owned by
-# FlowerCore.RemoteDesktop. bluejay-infra owns these GitOps pool intents so
-# rebuilds preserve the operational posture without baking it into service code.
----
-apiVersion: flowercore.io/v1
-kind: RemoteDesktopPoolCrd
-metadata:
-  name: qt-sdk-pool
-  namespace: fc-desktop
-  labels:
-    app.kubernetes.io/name: remotedesktop-pool
-    app.kubernetes.io/component: warm-pool
-    app.kubernetes.io/part-of: flowercore-remotedesktop
-    flowercore.io/template: dev-workstation
-    flowercore.io/image: localhost-fc-desktop-qt-sdk
-  annotations:
-    flowercore.io/deficit-tolerance: "0"
-    flowercore.io/scale-mode: ManualScaleOnDemand
-    flowercore.io/image-ref: localhost/fc-desktop:qt-sdk
-    flowercore.io/image-pull-policy: Never
-spec:
-  templateSlug: dev-workstation
-  desiredSize: 0
-  enabled: false
-  userVolumeMode: LateAttach
-  deficitTolerance: 0
-  scaleMode: ManualScaleOnDemand
-  reconcileNow: false

apps/fc-devicemgmt/argocd-application.yaml

@@ -1,33 +0,0 @@
-# Explicit ArgoCD Application shape for bootstrap/review.
-#
-# The live bluejay-infra ApplicationSet already discovers apps/* directories
-# and creates this same Application name (`infra-fc-devicemgmt`) automatically.
-# Keep repoURL on the internal Gitea ClusterIP URL; ArgoCD does not trust the
-# external step-ca HTTPS endpoint.
-apiVersion: argoproj.io/v1alpha1
-kind: Application
-metadata:
-  name: infra-fc-devicemgmt
-  namespace: argocd
-  labels:
-    app.kubernetes.io/name: fc-devicemgmt
-    app.kubernetes.io/part-of: flowercore
-    app.kubernetes.io/managed-by: argocd
-    flowercore.io/tenant-id: system
-    flowercore.io/created-by: bluejay-infra
-spec:
-  project: default
-  source:
-    repoURL: http://gitea-clusterip.gitea.svc.cluster.local:3000/bluejay/bluejay-infra.git
-    targetRevision: main
-    path: apps/fc-devicemgmt
-  destination:
-    server: https://kubernetes.default.svc
-    namespace: fc-devicemgmt
-  syncPolicy:
-    automated:
-      prune: true
-      selfHeal: true
-    syncOptions:
-      - CreateNamespace=true
-      - ServerSideApply=true