patch 8.2.4350: FEAT_GUI_ENABLED defined but never used

Problem:    FEAT_GUI_ENABLED defined but never used.
Solution:   Remove the #define. (Ola Söder, closes #9732)
diff --git a/src/version.c b/src/version.c
index 6d09210..fc314db 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4350,
+/**/
     4349,
 /**/
     4348,
diff --git a/src/vim.h b/src/vim.h
index 4f95bb4..3fea0d9 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -120,7 +120,6 @@
     || defined(FEAT_GUI_HAIKU) \
     || defined(FEAT_GUI_MSWIN) \
     || defined(FEAT_GUI_PHOTON)
-# define FEAT_GUI_ENABLED  // also defined with NO_X11_INCLUDES
 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
 #  define FEAT_GUI
 # endif