[SERVICES-1834] auth module cleanup

[claudiulataretu]

Reasoning

• local auth module cleanup

Proposed Changes

• remove unused files

How to test

• N/A

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (ff4ac9d) 56.14% compared to head (028d02a) 56.14%.
Report is 4 commits behind head on feat/nestjs-sdk-integration.

Additional details and impacted files

@@                     Coverage Diff                      @@
##           feat/nestjs-sdk-integration    #1181   +/-   ##
============================================================
  Coverage                        56.14%   56.14%           
============================================================
  Files                              235      235           
  Lines                             7817     7817           
  Branches                           519      519           
============================================================
  Hits                              4389     4389           
  Misses                            2986     2986           
  Partials                           442      442           

Flag	Coverage Δ
unittests	56.14% <ø> (ø)

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