[LyX/master] gbrief-2 loads babel internally. So don't load it ourselves.

[Juergen Spitzmueller]

commit c3c96a446b32ef77927b5e06436c2668d95dfd6d
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Sat Apr 13 07:32:30 2024 +0200

    gbrief-2 loads babel internally. So don't load it ourselves.
    
    This makes the class fully functional with non-TeX fonts (it uses
    \babelfont for the purpose). Before, docs were compiling but the
    output was wrong.
---
 lib/layouts/g-brief2.layout | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/layouts/g-brief2.layout b/lib/layouts/g-brief2.layout
index ac0b8deb77..b57bbdb249 100644
--- a/lib/layouts/g-brief2.layout
+++ b/lib/layouts/g-brief2.layout
@@ -17,6 +17,9 @@ Sides			1
 PageStyle		Empty
 DefaultStyle		Standard
 
+# Babel is loaded internally
+Provides babel 1
+
 # This is just to show how to declare the default font.
 # The defaults are exactly those shown here.
 DefaultFont