remove spek sample project

[robstoll]

I would not recommend anyone to start a new project and rely on Spek

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I confirm that I have read the Contributor Agreements v1.0, agree to be bound on them and confirm that my contribution is compliant.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.68%. Comparing base (a8f1a32) to head (c0dcadd).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1734   +/-   ##
=========================================
  Coverage     92.68%   92.68%           
  Complexity      116      116           
=========================================
  Files           442      442           
  Lines          4895     4895           
  Branches        234      234           
=========================================
  Hits           4537     4537           
  Misses          311      311           
  Partials         47       47           

Flag	Coverage Δ
current	92.51% <ø> (ø)
current_windows	91.44% <ø> (ø)

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