[gimp] Fix #6980 /app/pdb/gimppdb.c unnecessarily includes core/gimpmarshal.h

[Jehan <jehanp src gnome org>]

commit c324ec3e8c137e9591bf984ef701cdb81709b50b
Author: lloyd konneker <konnekerl gmail com>
Date:   Sat Jun 19 08:27:31 2021 -0400

    Fix #6980 /app/pdb/gimppdb.c unnecessarily includes core/gimpmarshal.h

 app/pdb/gimppdb.c   | 1 -
 app/pdb/meson.build | 2 --
 2 files changed, 3 deletions(-)
---
diff --git a/app/pdb/gimppdb.c b/app/pdb/gimppdb.c
index a4759c8961..833ae8a6eb 100644
--- a/app/pdb/gimppdb.c
+++ b/app/pdb/gimppdb.c
@@ -33,7 +33,6 @@
 #include "core/gimpitem.h"
 #include "core/gimp-memsize.h"
 #include "core/gimpcontext.h"
-#include "core/gimpmarshal.h"
 #include "core/gimpprogress.h"
 
 #include "gimppdb.h"
diff --git a/app/pdb/meson.build b/app/pdb/meson.build
index 6ba5b1c562..11ba6223c6 100644
--- a/app/pdb/meson.build
+++ b/app/pdb/meson.build
@@ -61,8 +61,6 @@ libappinternalprocs_sources = [
   'text-tool-cmds.c',
   'unit-cmds.c',
   'vectors-cmds.c',
-
-  appcoremarshal[1],
 ]
 
 libapppdb = static_library('apppdb',