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/runtime/syntax/README.txt b/runtime/syntax/README.txt
index d6a86e5..8eee0ea 100644
--- a/runtime/syntax/README.txt
+++ b/runtime/syntax/README.txt
@@ -28,9 +28,10 @@
 If you want to write a syntax file, read the docs at ":help usr_44.txt".
 
 If you make a new syntax file which would be useful for others, please send it
-to Bram@vim.org.  Include instructions for detecting the file type for this
-language, by file name extension or by checking a few lines in the file.
-And please write the file in a portable way, see ":help 44.12".
+to the vim-dev mailing list <vim-dev@vim.org>.  Include instructions for
+detecting the file type for this language, by file name extension or by
+checking a few lines in the file. And please write the file in a portable way,
+see ":help 44.12".
 
 If you have remarks about an existing file, send them to the maintainer of
 that file.  Only when you get no response send a message to Bram@vim.org.