feat: remove pointers from file output

[danstis]

Checklist

• [x] Tests added and passing

[codeclimate[bot]]

Code Climate has analyzed commit 0bc97696 and detected 0 issues on this pull request.

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[codecov[bot]]

Codecov Report

Merging #55 (0bc9769) into master (fd32810) will not change coverage. The diff coverage is 40.0%.

@@          Coverage Diff           @@
##           master     #55   +/-   ##
======================================
  Coverage    67.1%   67.1%           
======================================
  Files           5       5           
  Lines         143     143           
======================================
  Hits           96      96           
  Misses         23      23           
  Partials       24      24           

Impacted Files	Coverage Δ
nitrado/gameserver_fileserver.go	55.6% <40.0%> (ø)