Remove env vars not needed here

Author: agnetemoos

.env.docker.example

@@ -70,10 +70,4 @@ DB_HOST=mariadb
 COMPOSE_INTERNAL_PROXY=true
 
 APP_SECRET=pleasuchangethis
-APP_JWT_PASSPHRASE=pleasechangethistoo
-
-##### client [itkdev/os2display-client] #####
-APP_API_ENDPOINT="https://demo.os2display.dk"
-APP_API_PATH="https://demo.os2display.dk"
-APP_API_AUTHENTICATION_ENDPOINT="https://demo.os2display.dk/v1/authentication/screen"
-APP_API_AUTHENTICATION_REFRESH_ENDPOINT="https://demo.os2display.dk/v1/authentication/token/refresh"
+APP_JWT_PASSPHRASE=pleasechangethistoo