Remove trailing whitespaces

[Antoine Barthelemy]

I noticed multiple trailing whitespaces in the different files. I open this issue ti link it to the MR I will make in futur.
Just to make this repo nicer :-)
I like it by the way. Many thanks to those contributing on it !

[Antoine Barthelemy]

Hi, I just don't understand why my PR has been closed ?

[Antoine Barthelemy]

Issue closed cause no maintainers looking at MR nor issues.