Remove Yiliang from SAB membership

She can't be a member while we are writing a grant together.

rnacentral/portal/templates/portal/docs/sab.md

@@ -8,7 +8,6 @@ which includes six RNA biologists covering a wide range of expertise from wet la
 
 - [Yann Ponty](http://www.lix.polytechnique.fr/~ponty/) CNRS École Politechnique, France
 - [Lovorka Stojic](https://www.bartscancer.london/staff/dr-lovorka-stojic/) Barts Centre CRUK, UK
-- [Yiliang Ding](https://www.jic.ac.uk/people/yilliang-ding/) John Innes Centre, UK
 - [Alain Laederach](https://ribosnitch.bio.unc.edu/) UNC Chapel Hill, USA
 - [Madeline Sherlock](https://profiles.ucdenver.edu/display/20414874) New York Structural Biology Center, USA
 - [Peter Stadler](http://www.bioinf.uni-leipzig.de/) Universität Leipzig, Germany