Revert "[OCC] Add sync fallback for high incarnation counts"

[stevenlanders]

Reverts #452

[udpatil]

Lets add in the unit test that tests highly conflicting workloads w/ sleeps and dependencies on all previous txs

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 82.35294% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 55.43%. Comparing base (90becb3) to head (0b3e75b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #459      +/-   ##
==========================================
- Coverage   55.46%   55.43%   -0.04%     
==========================================
  Files         629      629              
  Lines       53526    53496      -30     
==========================================
- Hits        29690    29655      -35     
- Misses      21725    21728       +3     
- Partials     2111     2113       +2     

Files	Coverage Δ
tasks/scheduler.go	89.34% <82.35%> (-4.07%)	⬇️

... and 1 file with indirect coverage changes

[stevenlanders]

closing in favor of marching forward