Issue #3454075 by mradcliffe, rachel_norfolk, realityloop, volkswagenchick,...

Issue #3454075 by mradcliffe, rachel_norfolk, realityloop, volkswagenchick, chrisdarke, ekl1773, heddn, smustgrave, xjm, dinarcon, gábor hojtsy: Confirm and update mentoring coordinators section in MAINTAINERS.txt

(cherry picked from commit d12cc2f5)

core/MAINTAINERS.txt

@@ -534,11 +534,8 @@ get involved. They organize communications and logistics, and actively
 participate in mentoring.
 
 - Chris Darke 'chrisdarke' https://www.drupal.org/u/chrisdarke
-- Mauricio Dinarte 'dinarcon' https://www.drupal.org/u/dinarcon
 - Brian Gilbert 'realityloop' https://www.drupal.org/u/realityloop
 - Lucas Hedding 'heddn' https://www.drupal.org/u/heddn
-- AmyJune Hineline 'volkswagenchick' https://www.drupal.org/u/volkswagenchick
-- Tara King 'sparklingrobots' https://www.drupal.org/u/sparklingrobots
 - Rachel Lawson 'rachel_norfolk' https://www.drupal.org/u/rachel_norfolk
 - Elli Ludwigson 'ekl1773' https://www.drupal.org/u/ekl1773
 - Jess Myrbo 'xjm' https://www.drupal.org/u/xjm