`cibuildwheels` - Phase 1

[paddyroddy]

• [x] Keep build.sh
• [x] Keep Makefile
• [x] Keep cloning eigen
• [x] Remove committed libraries
• [x] Don't need setup.py
• [x] Remove pip install -e . step from script

[deprecated-napari-hub-preview-bot[bot]]

Preview page for your plugin is ready here: https://preview.napari-hub.org/quantumjot/btrack/230 Updated: 2023-03-17T12:14:18.013881

[paddyroddy]

Following the work in #231 I'm closing this for now.