change infof to debugf

[chylli-deriv]

https://trello.com/c/7VKeRThx/88-logs-documentchecksinfomessages

[codecov-io]

Codecov Report

Merging #19 into master will not change coverage by %.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #19   +/-   ##
=======================================
  Coverage   62.76%   62.76%           
=======================================
  Files          15       15           
  Lines         419      419           
  Branches       24       24           
=======================================
  Hits          263      263           
  Misses        142      142           
  Partials       14       14           

Impacted Files	Coverage Δ
lib/WebService/Async/Onfido/Check.pm	70.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 952c8dd...bf9508f. Read the comment docs.