Delete unneeded env

roles/matrix-bot-matrix-registration-bot/templates/env.j2

@@ -1,8 +0,0 @@
-BOT_SERVER={{ matrix_bot_matrix_registration_bot_bot_server }}
-BOT_USERNAME={{ matrix_bot_matrix_registration_bot_matrix_user_id_localpart }}
-BOT_ACCESS_TOKEN={{ matrix_bot_matrix_registration_bot_api_token }}
-API_BASE_URL={{ matrix_bot_matrix_registration_bot_api_base_url }}
-API_TOKEN={{ matrix_bot_matrix_registration_bot_matrix_admin_token }}
-LOGGING_LEVEL={{ matrix_bot_matrix_registration_bot_logging_level }}
-
-{{ matrix_bot_matrix_registration_environment_variables_extension }}