cannon: Drop unnecessary wakeup field reset

[mbaxter]

Description

Cut unnecessary wakeup reset logic.

Tests

Existing tests should provide coverage.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.86%. Comparing base (8b76931) to head (c48d154).
Report is 6 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #12095      +/-   ##
===========================================
- Coverage    78.87%   78.86%   -0.02%     
===========================================
  Files           41       41              
  Lines         3437     3435       -2     
===========================================
- Hits          2711     2709       -2     
  Misses         557      557              
  Partials       169      169              

Flag	Coverage Δ
cannon-go-tests	78.86% <100.00%> (-0.02%)	⬇️

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Files with missing lines	Coverage Δ
cannon/mipsevm/multithreaded/mips.go	95.67% <100.00%> (-0.03%)	⬇️