chore(docs): Remove protocol specs from next (#17911)

removes protocol docs from `next`, to avoid LLMs and humans from
indexing on outdated info

Author: critesjosh

docs/.gitignore

@@ -28,7 +28,6 @@ yarn-error.log*
 
 /docs/developers/reference/aztecjs
 /docs/developers/reference/smart_contract_reference/aztec-nr
-/docs/docs/protocol-specs/public-vm/gen
 test-results
 
 !CLAUDE.md

docs/CLAUDE.md

@@ -56,7 +56,6 @@ For development:
 
 - **Developer Guides** (`/developers/`) - Getting started, tutorials, references
 - **Aztec Concepts** (`/aztec/`) - Core protocol concepts and architecture
-- **Protocol Specs** (`/protocol-specs/`) - Detailed technical specifications
 - **Network Guides** (`/the_aztec_network/`) - Node operation and network participation
 
 ### Versioning System