Remove the unused production environment

It references non-existing API URLs and keycloak clients.
To avoid confusion just remove it for now.

packages/common/env.js

@@ -13,15 +13,6 @@ switch(environment) {
             //sentryDSN: 'http://0405d811e8d746cca2e70f6eff764570@129.27.166.25:9000/2',
         };
 
-        break;
-    case "production":
-        config = {
-            apiBaseUrl: 'https://mw.tugraz.at',
-            apiUrlPrefix: '',
-            keyCloakBaseURL: 'https://auth-dev.tugraz.at/auth',
-            keyCloakRealm: 'tugraz',
-            keyCloakClientId: 'auth-prod-mw-frontend',
-        };
         break;
     case "demo":
         config = {