Remove reframe

[gammazero]

Remove reframe server and dependence on the archived go-delegated-routing package.

[codecov-commenter]

Codecov Report

Patch coverage: 85.91% and project coverage change: -0.21% ⚠️

Comparison is base (6a2d731) 47.19% compared to head (21879d0) 46.99%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2157      +/-   ##
==========================================
- Coverage   47.19%   46.99%   -0.21%     
==========================================
  Files          92       90       -2     
  Lines       10047     9989      -58     
==========================================
- Hits         4742     4694      -48     
+ Misses       4761     4753       -8     
+ Partials      544      542       -2     

Files Changed	Coverage Δ
server/find/server.go	69.07% <85.81%> (+6.71%)	⬆️
server/find/cached_stats.go	89.58% <100.00%> (ø)

... and 1 file with indirect coverage changes

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