Remove TZ environment in jtradfri service

fhem-compose.yml

@@ -52,8 +52,6 @@ services:
         build: tradfribridge
         volumes:
             - ./tradfribridge/jtradfri.conf:/opt/jtradfri/jtradfri.conf
-        environment:
-            - TZ="Europe/Berlin"
         networks:
             - fhem-network