Comment out log traces

[alexander-yakushev]

As discussed in #184, this solution is simpler and more efficient than that PR if the approach is viable.

10k rows benchmark against current master:

master:
Time per call: 7.49 ms   Alloc per call: 11,088,805b
Time per call: 7.45 ms   Alloc per call: 11,088,041b
Time per call: 7.63 ms   Alloc per call: 11,087,626b

no per-cell traces (10% improvement):
Time per call: 6.74 ms   Alloc per call: 11,086,952b
Time per call: 6.73 ms   Alloc per call: 11,086,286b
Time per call: 6.73 ms   Alloc per call: 11,085,933b

No per-row traces (another 14% improvement):
Time per call: 5.63 ms   Alloc per call: 11,085,107b
Time per call: 5.83 ms   Alloc per call: 11,084,783b
Time per call: 5.63 ms   Alloc per call: 11,084,576b

At first I thought to remove only the per-cell traces but the per-row ones are contributing quite a lot still.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.58%. Comparing base (3729d20) to head (5fe0504).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #193   +/-   ##
=======================================
  Coverage   83.58%   83.58%           
=======================================
  Files          37       37           
  Lines        2498     2498           
  Branches      212      212           
=======================================
  Hits         2088     2088           
  Misses        198      198           
  Partials      212      212           

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