.mailmap: clean up aliases for Jeremy Huddleston

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 6e57ad8..f77b8a3 100644
--- a/.mailmap
+++ b/.mailmap
@@ -274,11 +274,11 @@
 
 Jason Ekstrand <jason@jlekstrand.net> <jason.ekstrand@intel.com>
 
+Jeremy Huddleston <jeremyhu@apple.com>
 Jeremy Huddleston <jeremyhu@apple.com> <jeremyhu@freedesktop.org>
 Jeremy Huddleston <jeremyhu@apple.com> <jeremy@tifa.local>
 Jeremy Huddleston <jeremyhu@apple.com> <jeremy@vincent.local>
 Jeremy Huddleston <jeremyhu@apple.com> <jeremy@yuffie.local>
-Jeremy Huddleston <jeremyhu@apple.com> Jeremy Huddleston Sequoia <jeremyhu@apple.com>
 
 Jeremy Kolb <jkolb@freedesktop.org> <jkolb@brandeis.edu>