Remove Coves-side DID generator in favor of PDS-managed DID generation. Removed Files: - internal/atproto/did/generator.go - internal/atproto/did/generator_test.go Rationale: V2.0 architecture delegates all DID and key management to the PDS for: - Bluesky PDS cannot handle record imports created outside the PDS. - No complex cryptography - Standard atProto compliance (PDS owns community identity) The PDS now handles: - DID generation (did:plc format) - Signing key generation and storage - Rotation key generation and storage - PLC directory registration 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>