[gtk/gtk-3-24] Fix distcheck

[Matthias Clasen <matthiasc src gnome org>]

commit abefce0961052c1dc7c6296af4e787b3094ab174
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 12 10:24:10 2021 -0500

    Fix distcheck

 gtk/Makefile.am | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index ee740de47c..9608ab3355 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -510,7 +510,6 @@ gtk_private_h_sources =             \
        gtkiconviewprivate.h    \
        gtkimagedefinitionprivate.h     \
        gtkimageprivate.h       \
-       gtkimcontextsimpleprivate.h     \
        gtkimmoduleprivate.h    \
        gtkimcontextsimpleseqs.h \
        gtkintl.h               \