Merge pull request #530 from pllim/update-release-maintainers

Roles: Update release team members

Author: pllim

roles.json

@@ -329,10 +329,8 @@
         "role": "Release team",
         "url": "release_team",
         "people": [
-            "E. Madison Bray",
             "Simon Conseil",
-            "Thomas Robitaille",
-            "Brigitta Sip\u0151cz"
+            "Thomas Robitaille"
         ],
         "role-head": "Release team",
         "responsibilities": {