Optimize profile file

[olistic]

Ignore currentEpicScore and currentEpicGrades when saving the profile.

[codecov-io]

Codecov Report

Merging #180 into master will decrease coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #180      +/-   ##
==========================================
- Coverage   92.26%   92.25%   -0.02%     
==========================================
  Files          85       85              
  Lines        1073     1071       -2     
  Branches      180      179       -1     
==========================================
- Hits          990      988       -2     
  Misses         68       68              
  Partials       15       15

Impacted Files	Coverage Δ
packages/warriorjs-cli/src/Game.js	52% <ø> (-0.64%)	⬇️
packages/warriorjs-cli/src/Profile.js	96.36% <100%> (ø)	⬆️

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