remove leftover

Author: oesteban

CONTRIBUTING.md

@@ -1,9 +1,6 @@
 # Contributing to fMRIPrep
 
 Welcome to the fMRIPrep repository! We're excited you're here and want to contribute.
-But before getting into the details of how to contribute, it is important that we establish
-certain elements for the collaboration, ensuring the healthy development of the project and
-the collaborators.
 
 ## Practical guide to submitting your contribution
 
@@ -35,7 +32,9 @@ We appreciate all contributions to FMRIPREP, but those accepted fastest will fol
 
 **1. Comment on an existing issue or open a new issue referencing your addition.**
 
-This allows other members of the FMRIPREP development team to confirm that you aren't overlapping with work that's currently underway and that everyone is on the same page with the goal of the work you're going to carry out.
+This allows other members of the FMRIPREP development team to confirm that you aren't 
+overlapping with work that's currently underway and that everyone is on the same page
+with the goal of the work you're going to carry out.
 
 [This blog][link_pushpullblog] is a nice explanation of why putting this work in up front is so useful to everyone involved.