For purposes of testing the RFC, make libevent2021 the default for now so it gets tested by MTT

This commit was SVN r28730.
2013-07-05 23:14:22 +00:00 · 2013-07-05 23:14:22 +00:00 · eac174e624
--- a/opal/mca/event/libevent2019/.ompi_ignore
+++ b/opal/mca/event/libevent2019/.ompi_ignore
--- a/opal/mca/event/libevent2021/.ompi_unignore
+++ b/opal/mca/event/libevent2021/.ompi_unignore
@ -1 +0,0 @@
-rhc