fix: remove unused variables

Author: Bushuo

ci/Jenkinsfile

@@ -64,8 +64,6 @@ def runDockerPostgresSidecar(String command,  List<String> stashsrc = [], List<S
                 -e 'AUTH_CLIENT_ID=unused' \
                 -e 'KEYCLOAK_CLIENT_ID=unused' \
                 -e 'KEYCLOAK_CLIENT_SECRET=unused' \
-                -e 'KEYCLOAK_USERNAME=unused' \
-                -e 'KEYCLOAK_PASSWORD=unused' \
                 -e 'RUSTFLAGS=-D warnings' \
                 -e 'RUSTDOCFLAGS=-D warnings'"
                 ) {

doc/backend/01setup.md

@@ -13,8 +13,6 @@ All steps mentioned here have to be executed in the `backend/` folder.
 - `AUTH_CLIENT_ID` the client id the frontend should use to log in
 - `KEYCLOAK_CLIENT_ID` the client id the server uses to communicate with keycloak (needs to be configured in keycloak)
 - `KEYCLOAK_CLIENT_SECRET` the client secret the server uses to communicate with keycloak (needs to be configured in keycloak)
-- `KEYCLOAK_USERNAME` the username the server uses to authenticate for the keycloak api (admin console)
-- `KEYCLOAK_PASSWORD` the password the server uses to authenticate for the keycloak api (admin console)
 - `RUST_LOG` used to set the logging config for [env_logger](https://docs.rs/env_logger/latest/env_logger/)
 
 To install an extension, a user needs to be a 'superuser',