Remove comment on brew install of p7zip

[candleindark]

Currently, brew install of datalad includes the installaton of p7zip as a dependency already. There is no need to brew install p7zip after running "brew install datalad".

[welcome]

(Image: CC-BY license, The Turing Way Community, & Scriberia. Zenodo. http://doi.org/10.5281/zenodo.3332808) Wohoo! 🎉 Thanks for opening your first pull request to the DataLad Handbook! 😎 We really appreciate your time and effort to contribute to the project - you're amazing! 👏

[adswa]

Great, thanks much for this PR!

[adswa]

hey @all-contributors please add @candleindark for maintenance

[allcontributors]

@adswa

I've put up a pull request to add @candleindark! 🎉

[adswa]

Feel free to open a new PR to add your details into the zenodo.json file (at the second to last place, before Michael Hanke), or leave your Name, Affiliation, and ORCID as a comment, and I can add you. We generate the author list in the releases on Zenodo from this file.

[welcome]

(Image: CC-BY license, The Turing Way Community, & Scriberia. Zenodo. http://doi.org/10.5281/zenodo.3332808) Congrats on merging your first pull request! 🎉 The DataLad Handbook team appreciates your contribution greatly, and we want to say thanks! 💖 Now go ahead and share your first merge with your colleagues, you got yourself this brag right! 😄 🎁