Make obsolete flymake proc less prominent in manual

* doc/misc/flymake.texi: Don't mention obsolete legacy support on the
first page.  It is still documented in a separate chapter.

diff --git a/doc/misc/flymake.texi b/doc/misc/flymake.texi
index e68692afb100581005a8e46300f1c4b04c2a5d4b..e0cb79aa546faa7e637868a60a9f27bd8cdc32c9 100644 (file)
--- a/doc/misc/flymake.texi
+++ b/doc/misc/flymake.texi
@@ -65,10 +65,6 @@ The Emacs LSP Client}  Flymake is also designed to be easily extended
 to support new backends via an Elisp interface.  @xref{Extending
 Flymake}.
 
-Historically, Flymake used to accept diagnostics from a single
-backend.  Although obsolete, it is still functional.  To learn how to
-use and customize it, @pxref{The legacy Proc backend}.
-
 @ifnottex
 @insertcopying
 @end ifnottex