Rollup merge of #142407 - Kobzol:remove-bootstrap-adhoc-group, r=davidtwco

Remove bootstrap adhoc group

It corresponds 1:1 to the current bootstrap team, and with the new review preferences we shouldn't need it.

Discussed on Zulip.

r? `@davidtwco`

Author: matthiaskrgr

triagebot.toml

@@ -1240,13 +1240,6 @@ libs = [
     "@thomcc",
     "@ibraheemdev",
 ]
-bootstrap = [
-    "@Mark-Simulacrum",
-    "@albertlarsan68",
-    "@kobzol",
-    "@jieyouxu",
-    "@clubby789",
-]
 infra-ci = [
     "@Mark-Simulacrum",
     "@Kobzol",