Fix trailing whitespaces at different locations

[ssmolov]

More trailing whitespaces were found, so I'd like to synchronize our fork with main repository, starting from this small fixing.

[codecov-commenter]

Codecov Report

Merging #81 (ea5235d) into master (a8c1fab) will not change coverage.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

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@@           Coverage Diff           @@
##           master      #81   +/-   ##
=======================================
  Coverage   85.92%   85.92%           
=======================================
  Files          17       17           
  Lines        3027     3027           
=======================================
  Hits         2601     2601           
  Misses        426      426           

Files Changed	Coverage Δ
include/lorina/bristol.hpp	85.00% <ø> (ø)
include/lorina/dimacs.hpp	100.00% <100.00%> (ø)

[hriener]

Looks similar to #79

[hriener]

I added a Python script rstrip_files.py to directory tools. If you pass -u, then it should recursively rstrip all files starting from your current directory.

[ssmolov]

Thanks! I've applied script for project files, but GitHub rejected my push because of "refusing to allow a Personal Access Token to create or update workflow .github/workflows/coverage.yml without workflow scope". So now I've pushed changes that do not include modifications of .github/workflows/*.yml