[gimp] build: no need for the splash screen patch anymore (was for 2.10.0 RC2).

[Jehan Pagès <jehanp src gnome org>]

commit 324873c7b8d4de997d9b69c798ddecf9b72f7c23
Author: Jehan <jehan girinstud io>
Date:   Sat May 5 18:30:38 2018 +0200

    build: no need for the splash screen patch anymore (was for 2.10.0 RC2).

 ...-update-splash-screen-text-for-2.10.0-RC2.patch |11722 --------------------
 build/flatpak/org.gimp.GIMP-dev.json               |    6 -
 2 files changed, 0 insertions(+), 11728 deletions(-)
---
diff --git a/build/flatpak/org.gimp.GIMP-dev.json b/build/flatpak/org.gimp.GIMP-dev.json
index 2397977..685ddcc 100644
--- a/build/flatpak/org.gimp.GIMP-dev.json
+++ b/build/flatpak/org.gimp.GIMP-dev.json
@@ -62,12 +62,6 @@
                     "url": "git://git.gnome.org/gimp",
                     "branch": "GIMP_2_10_0_RC2",
                     "commit": "6582692ec6c8196108b2d42f6758c62076a88d13"
-                },
-                {
-                    /* Fix only the forgotten splash screen! */
-                    "type": "patch",
-                    "use-git": true,
-                    "path": "0001-data-update-splash-screen-text-for-2.10.0-RC2.patch"
                 }
             ],
            "post-install": [