This change simplifies the Drone CI configuration by removing redundant
steps and environment variables, enhancing the tagging strategy for
Docker images, and improving SSH key handling during deployment. Without
this change, the CI pipeline would be more complex and less efficient,
with potential issues in Docker image tagging and SSH key management.
- Remove unused 'environment' field from 'debug'
Signed-off-by: Glenn <glenux@glenux.net>