[LyX/master] Remove unused #include

[Jean-Marc Lasgouttes]

commit df19a709008e706c40c3b81e6a42f61bbef745ef
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Sun Apr 28 12:33:33 2024 +0200

    Remove unused #include
---
 src/support/filetools.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/support/filetools.cpp b/src/support/filetools.cpp
index a2eba83eef..3bdeb8e1e1 100644
--- a/src/support/filetools.cpp
+++ b/src/support/filetools.cpp
@@ -23,7 +23,6 @@
 
 #include "support/filetools.h"
 
-#include "LyX.h"
 #include "LyXRC.h"
 
 #include "support/convert.h"