martin brook 773238fdf5 chore: drop JPEGDEC patch in favour of upstream fix (#1465)
## Summary

The progressive JPEG fixes (AC table skip, MCU_SKIP guard) from PR #1136
have been fixed upstream in bitbank2/JPEGDEC@8628297. Pin to that commit
and remove the pre-build patch script.

## Additional Context

Tested on Strange Pictures epub

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### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**< PARTIALLY >**_
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CrossPoint Reader ++

This firmware is based on the crosspoint-reader for the XTEINK X4, a great piece of software by Dave Allie and others

Why this fork

Unfortunately the official repository suffers from too many good ideas floating around and a lack of clear governance how to deal with these contributions, so it's lacking fundamental fixes for a proper reading experience (rendering issues, sub-par sync capabilities with KOReader, a popular multi-platform open-source epub reader).

Trying to contribute enhancements / fixes became increasingly difficult as the lack of progress effectively prevented further development.

Therefore this branch focuses on real fixes and real improvements while trying to keep up to pace with developments in the main branch.

What's different

  • Proper KOReader Snychronisation (including https TLS OOM fix)
  • Fixes for a lot of css rendering issues
  • Additional sleep screens support (information overlay, transparent pictures over current reader screen)
  • Clock-Support
  • Weather information panel
  • Multiple under-the-hood performance improvements
  • Book information screen
  • Reading ruler
  • ...
S
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