[LyX/master] Cleanup mathes/BUGS (#3493)

[Juergen Spitzmueller]

commit f155e103d34fd42a7a21c320df29f2f023ef99a3
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Tue Nov 22 10:18:43 2022 +0100

    Cleanup mathes/BUGS (#3493)
    
    This one is now also part of #12603.
---
 src/mathed/BUGS |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/src/mathed/BUGS b/src/mathed/BUGS
index fb29383..7e444e2 100644
--- a/src/mathed/BUGS
+++ b/src/mathed/BUGS
@@ -1,11 +1,5 @@
 Álvaro Tejero Cantero <alvaro at antalia.com>
 
-- I suggest creating a different "kewybinding namespace" for the formulas,
- since you could put to good use all those keybindings from the menu (M-?,
- C-?) thath currently do their job PLUS getting you out of the formula.
- Seriously, it'd be great to have more keys free, so M-d t would be time
- derivative and M-d ? derivative with respect to the variable ?. And so on.
-
    Flattening macros. Sometimes it's annoying the fact that once you have
  written a macro, you can't touch at it's "constant parts". I call flattening
  to the process of substituting all macros with LaTeX code.