remove: axum serve binary from ndarray — REST server belongs in lance-graph

ndarray is the foundation (SIMD, GEMM, HPC, Palette, Base17).
lance-graph is the spine (planner, strategy, AutocompleteCache).
The REST server should live where the planner lives.

https://claude.ai/code/session_01M3at4EuHVvQ8S95mSnKgtK

Author: claude