flatpak-cache: clean up stray syntax

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

roles/openshift-apps/flatpak-cache/templates/deployment.yml

@@ -1,6 +1,6 @@
-- apiVersion: apps/v1
-  kind: Deployment
-  metadata:
+apiVersion: apps/v1
+kind: Deployment
+metadata:
     labels:
       app: flatpak-cache
       app.kubernetes.io/component: flatpak-cache
@@ -8,7 +8,7 @@
       app.kubernetes.io/name: flatpak-cache
       app.kubernetes.io/part-of: flatpak-cache-app
     name: flatpak-cache
-  spec:
+spec:
     progressDeadlineSeconds: 600
     replicas: 1
     revisionHistoryLimit: 10