Add .mailmap, remove external tool reference from README

Author: Henry Barnes

.mailmap

@@ -0,0 +1 @@
+Henry Barnes <mrwabbit00@gmail.com> Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -67,7 +67,7 @@ SHD and SSC datasets auto-download on first run. N-MNIST requires [tonic](https:
 
 ### Deploy to Catalyst hardware
 
-Trained models deploy to Catalyst N2 via the [Catalyst CLI](https://github.com/catalyst-neuromorphic/catalyst-neurocore) — works like Claude Code, authenticate with a subscription or API key:
+Trained models deploy to Catalyst N2 via the [Catalyst CLI](https://github.com/catalyst-neuromorphic/catalyst-neurocore), authenticate with a subscription or API key:
 
 ```bash
 # Install the Catalyst CLI