delete Dockerfile for testing purposes

[jkralik]

We have a pipeline in place to verify pull requests, and all users have the ability to run the tests on their local machines.

[codecov-commenter]

Codecov Report

Merging #444 (165e3d1) into master (15811e4) will decrease coverage by 0.08%. The diff coverage is n/a.

:exclamation: Current head 165e3d1 differs from pull request most recent head 86076d7. Consider uploading reports for the commit 86076d7 to get more accurate results

@@            Coverage Diff             @@
##           master     #444      +/-   ##
==========================================
- Coverage   72.29%   72.21%   -0.08%     
==========================================
  Files          70       70              
  Lines        5428     5428              
==========================================
- Hits         3924     3920       -4     
- Misses       1115     1117       +2     
- Partials      389      391       +2     

see 2 files with indirect coverage changes

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information