redbear-mini: drop lib-only redbear-cli from package list

redbear-cli is a shared library crate (no bin target) used as a path-dep by the
redbear-* tools; listed standalone it fails 'repo cook' with 'no packages found
with binaries or examples'. Builds transitively where depended on.

config/redbear-mini.toml

@@ -37,7 +37,6 @@ redbear-iwlwifi = {}
 redbear-firmware-iwlwifi = {}
 
 # Shared CLI library for redbear-* tools (standardized --help, --version, --log-level, etc.)
-redbear-cli = {}
 
 # Redox-native netctl tooling.
 redbear-netctl = {}