Merge pull request #616 from boegel/update_sc_members

remove Alan from list of Steering Committee members + remove fixed alternates

Author: bedroge

docs/governance/steering_committee.md

@@ -1,12 +1,6 @@
 The current (Interim) Steering Committee consists of:
 
 * _Interim Steering Committee Lead_: Kenneth Hoste ([Ghent University](https://www.ugent.be/en)), :material-github: [@boegel](https://github.com/boegel), e-mail: kenneth.hoste (at) ugent.be, Slack: Kenneth Hoste (HPC-UGent) - boegel
-    * _Alternate: Lara Peeters ([Ghent University](https://www.ugent.be/en)), :material-github: [@laraPPr](https://github.com/laraPPr), e-mail: lara.peeters (at) ugent.be, Slack: Lara Peeters (HPC-UGent)_
-* Alan O'Cais ([CECAM](https://www.cecam.org/), [University of Barcelona](https://web.ub.edu/inici)), :material-github: [@ocaisa](https://github.com/ocaisa), e-mail: alan.ocais (at) cecam.org, Slack: Alan O'Cais (CECAM)
-    * _Alternate: Davide Grassano ([CECAM](https://www.cecam.org/)), :material-github: [@crivella](https://github.com/crivella), e-mail: davide.grassano (at) epfl.ch, Slack: Davide Grassano_
 * Bob Dröge ([University of Groningen](https://www.rug.nl/)), :material-github: [@bedroge](https://github.com/bedroge), e-mail: b.e.droge (at) rug.nl, Slack: Bob Dröge (HPC UGroningen)
-    * _Alternate: Henk-Jan Zilverberg ([University of Groningen](https://www.rug.nl/)), :material-github: [@zilverberg](https://github.com/zilverberg), e-mail: h.j.zilverberg (at) rug.nl, Slack: Henk-Jan Zilverberg (HPC UGroningen)_
 * Caspar van Leeuwen ([SURF](https://www.surf.nl/en)), :material-github: [@casparvl](https://github.com/casparvl), e-mail: caspar.vanleeuwen (at) surf.nl, Slack: Caspar van Leeuwen (SURF)
-    * _Alternate: Satish Kamath ([SURF](https://www.surf.nl/en)), :material-github: [@satishskamath](https://github.com/satishskamath), e-mail: satish.kamath (at) surf.nl, Slack: Satish Kamath_
 * Thomas Röblitz ([University of Bergen](https://www.uib.no/en)), [@trz42](https://github.com/trz42), e-mail: thomas.roblitz (at) uib.no, Slack: Thomas Röblitz (UiB) - trz42
-    * _Alternate: Terje Kvernes ([University of Oslo](https://www.uio.no/english/)), :material-github: [@terjekv](https://github.com/terjekv), e-mail: terjekv (at) math.uio.no, Slack: Terje Kvernes (UiO) - terjekv_