algod: turn off cadaver trace file by default

[brianolson]

Summary

Turn off the 'cadaver' trace file by default. It was used extensively in debugging years ago but hasn't been used much recently, and it significantly decreases performance. It can be re-enabled for debug clusters.

Test Plan

Many test clusters have been run with this disabled.

[codecov]

Codecov Report

Merging #4676 (793de59) into master (36c81fb) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4676      +/-   ##
==========================================
- Coverage   54.37%   54.34%   -0.03%     
==========================================
  Files         407      407              
  Lines       52389    52389              
==========================================
- Hits        28486    28473      -13     
- Misses      21523    21532       +9     
- Partials     2380     2384       +4     

Impacted Files	Coverage Δ
config/localTemplate.go	40.00% <ø> (ø)
ledger/voters.go	68.65% <0.00%> (-4.48%)	⬇️
cmd/algoh/blockWatcher.go	77.77% <0.00%> (-3.18%)	⬇️
crypto/merkletrie/trie.go	66.42% <0.00%> (-2.19%)	⬇️
agreement/cryptoVerifier.go	67.60% <0.00%> (-2.12%)	⬇️
agreement/proposalManager.go	96.07% <0.00%> (-1.97%)	⬇️
crypto/merkletrie/node.go	91.62% <0.00%> (-1.87%)	⬇️
ledger/catchpointtracker.go	61.84% <0.00%> (-1.05%)	⬇️
ledger/acctonline.go	77.60% <0.00%> (-0.53%)	⬇️
ledger/accountdb.go	72.69% <0.00%> (-0.32%)	⬇️
... and 6 more

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