refactor: drop prod/dev separation

kubernetes/app/ks.yaml

@@ -6,7 +6,7 @@ metadata:
   namespace: flux-system
 spec:
   interval: 10m
-  path: ./kubernetes/dev/app
+  path: ./kubernetes/app
   prune: true
   sourceRef:
     kind: GitRepository

kubernetes/config/ks.yaml

@@ -6,7 +6,7 @@ metadata:
   namespace: flux-system
 spec:
   interval: 10m
-  path: ./kubernetes/dev/config
+  path: ./kubernetes/config
   prune: true
   sourceRef:
     kind: GitRepository

kubernetes/infrastructure/ks.yaml

@@ -6,7 +6,7 @@ metadata:
   namespace: flux-system
 spec:
   interval: 10m
-  path: ./kubernetes/dev/infrastructure
+  path: ./kubernetes/infrastructure
   prune: true
   sourceRef:
     kind: GitRepository