[gimp] Remove unnecessary linking with genmarshal from meson build rules

[Jehan <jehanp src gnome org>]

commit 428b944334c4dc430260fa40deb504f5acc6d9c2
Author: Stanislav Grinkov <43956-stanislavgrinkov users noreply gitlab gnome org>
Date:   Fri Aug 6 11:55:46 2021 +0600

    Remove unnecessary linking with genmarshal from meson build rules

 app/paint/meson.build   | 2 --
 app/text/meson.build    | 2 --
 app/vectors/meson.build | 2 --
 3 files changed, 6 deletions(-)
---
diff --git a/app/paint/meson.build b/app/paint/meson.build
index da029900af..ec733ed295 100644
--- a/app/paint/meson.build
+++ b/app/paint/meson.build
@@ -53,8 +53,6 @@ libapppaint_sources = [
   'gimpsourcecore.c',
   'gimpsourceoptions.c',
   apppaintenums,
-
-  appcoremarshal[1],
 ]
 
 libapppaint = static_library('apppaint',
diff --git a/app/text/meson.build b/app/text/meson.build
index f85fc765c1..30b85e4e8e 100644
--- a/app/text/meson.build
+++ b/app/text/meson.build
@@ -30,8 +30,6 @@ libapptext_sources = [
   'gimptextlayout.c',
   'gimptextundo.c',
   apptextenums,
-
-  appcoremarshal,
 ]
 
 
diff --git a/app/vectors/meson.build b/app/vectors/meson.build
index 3b649b0ed7..356d88bffb 100644
--- a/app/vectors/meson.build
+++ b/app/vectors/meson.build
@@ -12,8 +12,6 @@ libappvectors_sources = [
   'gimpvectorsmodundo.c',
   'gimpvectorspropundo.c',
   'gimpvectorsundo.c',
-
-  appcoremarshal[1],
 ]
 
 libappvectors = static_library('appvectors',