chore: remove charting cache

[eseidel]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 5 lines in your changes missing coverage. Please review.

Project coverage is 67.99%. Comparing base (fecbbfe) to head (88b0da1).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/cli/lib/cache/waypoint_cache.dart	60.00%	2 Missing ⚠️
packages/cli/lib/behavior/charter.dart	50.00%	1 Missing ⚠️
packages/cli/lib/behavior/system_watcher.dart	50.00%	1 Missing ⚠️
packages/db/lib/db.dart	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #35      +/-   ##
==========================================
+ Coverage   67.50%   67.99%   +0.48%     
==========================================
  Files         150      151       +1     
  Lines        7285     7273      -12     
==========================================
+ Hits         4918     4945      +27     
+ Misses       2367     2328      -39     

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