Farewell to Bram and dedicate upcoming Vim 9.1 to him (#12749)

* Dedicate upcoming Vim 9.1 to Bram

Also replace in a few more places Brams email address and mention new
maintainers.

* Remove Bram from any Maintainer role

* runtime: Align Header

* it's mailing list not mailinglist
diff --git a/src/Makefile b/src/Makefile
index ea37ee1..4abcaa3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -102,7 +102,7 @@
 #	  something wrong you may need to change one of the other files. If
 #	  you find a clean way to fix the problem, consider sending a note to
 #	  the author of autoconf (bug-gnu-utils@prep.ai.mit.edu) or Vim
-#	  (Bram@vim.org). Don't bother to do that when you made a hack
+#	  (vim-dev@vim.org). Don't bother to do that when you made a hack
 #	  solution for a non-standard system.
 #
 # 4. "make test"  {{{1