chore: make metube downloads writed to a temporary storage

metube/k8s/metube.yaml

@@ -45,17 +45,5 @@ spec:
               cpu: "1700m"
       volumes:
         - name: downloads
-          persistentVolumeClaim:
-            claimName: metube-downloads-pvc
----
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: metube-downloads-pvc
-  namespace: metube
-spec:
-  accessModes:
-    - ReadWriteOnce
-  resources:
-    requests:
-      storage: 10Gi
+          emptyDir:
+            sizeLimit: 20Gi