Cleaning up

[poszu]

Cleaning up some redundant code, small refactors to simplify the code etc.

[codecov]

Codecov Report

Merging #393 (4f52812) into develop (6a2fb59) will increase coverage by 0.8%.
The diff coverage is 85.3%.

@@            Coverage Diff            @@
##           develop    #393     +/-   ##
=========================================
+ Coverage     73.9%   74.7%   +0.8%     
=========================================
  Files           23      23             
  Lines         1962    1898     -64     
=========================================
- Hits          1450    1418     -32     
+ Misses         386     361     -25     
+ Partials       126     119      -7     

Files Changed	Coverage Δ
verifier/verifier.go	80.5% <61.5%> (-13.0%)	⬇️
prover/layer_factory.go	70.0% <70.0%> (ø)
service/service.go	80.3% <85.7%> (+2.0%)	⬆️
server/server.go	79.0% <90.9%> (-0.7%)	⬇️
prover/prover.go	62.8% <96.5%> (+1.9%)	⬆️
server/config.go	77.7% <100.0%> (+10.1%)	⬆️

... and 1 file with indirect coverage changes