fix vhr18 docker compore ops double cache label

docker-compose.vhr18.ops.yml

@@ -69,7 +69,6 @@ services:
         # router for referrer based access (http)
         - "traefik.http.routers.vhr18-cache_referer-redirect.rule=Host(`vhr18.pvs.prism.eox.at`, `a.vhr18.pvs.prism.eox.at`, `b.vhr18.pvs.prism.eox.at`, `c.vhr18.pvs.prism.eox.at`, `d.vhr18.pvs.prism.eox.at`, `e.vhr18.pvs.prism.eox.at`, `f.vhr18.pvs.prism.eox.at`, `g.vhr18.pvs.prism.eox.at`, `h.vhr18.pvs.prism.eox.at`, `vhr18.pdas.prism.eox.at`, `a.vhr18.pdas.prism.eox.at`, `b.vhr18.pdas.prism.eox.at`, `c.vhr18.pdas.prism.eox.at`, `d.vhr18.pdas.prism.eox.at`, `e.vhr18.pdas.prism.eox.at`, `f.vhr18.pdas.prism.eox.at`, `g.vhr18.pdas.prism.eox.at`, `h.vhr18.pdas.prism.eox.at`, `vhr18.pass.copernicus.eu`, `a.vhr18.pass.copernicus.eu`, `b.vhr18.pass.copernicus.eu`, `c.vhr18.pass.copernicus.eu`, `d.vhr18.pass.copernicus.eu`, `e.vhr18.pass.copernicus.eu`, `f.vhr18.pass.copernicus.eu`, `g.vhr18.pass.copernicus.eu`, `h.vhr18.pass.copernicus.eu`) && PathPrefix(`/cache`) && HeadersRegexp(`Referer`, `(https?://)?(panda.copernicus.eu|panda.cdsv3.eu|panda-demo.ondaprism.eu|panda-demo.copernicus.eu|cdsportal-demo.copernicus.eu|ocqc-demo.copernicus.eu|vhr18.pvs.prism.eox.at|vhr18.pdas.prism.eox.at|vhr18.pass.copernicus.eu)/?`)"
         - "traefik.http.routers.vhr18-cache_referer-redirect.middlewares=redirect@file"
-        - "traefik.http.routers.vhr18-cache_referer-redirect.middlewares=redirect@file"
         - "traefik.http.routers.vhr18-cache_referer-redirect.entrypoints=http"
         # general
         - "traefik.http.services.vhr18-cache.loadbalancer.sticky=false"