changes.src: drop 3.00.01; plan 3.01 as a bug fix release

Looks like there are enough critical changes to justify a release
without a bunch of new development. Let's just call the new
release 3.01 and avoid a bunch of excess dottage.

Signed-off-by: H. Peter Anvin (Intel) <[email protected]>

Author: H. Peter Anvin

doc/changes.src

@@ -12,10 +12,6 @@ It is the production version of NASM since 2025.
 
 \S{cl-3.01} Version 3.01
 
-Put the updates for NASM 3.01 here...
-
-\S{cl-3.00.01} Version 3.00.01
-
 \b A new \c{obj2} version of the \c{obj} output format, intended for
    use on OS/2. See \k{obj2fmt}.