[gtranslator] Remove gtksourceview from flatpak

[Daniel Garcia Moreno <danigm src gnome org>]

commit 010afa8a8e933409bfa1cae8c1e1a52c1ca5accc
Author: Daniel García Moreno <dani danigm net>
Date:   Sat Mar 14 11:57:39 2020 +0100

    Remove gtksourceview from flatpak
    
    The gtksourceview is included in the org.gnome.Sdk so this dependency is
    not needed anymore.

 build-aux/flatpak/org.gnome.Gtranslator.json | 10 ----------
 1 file changed, 10 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Gtranslator.json b/build-aux/flatpak/org.gnome.Gtranslator.json
index d3b91442..2d32776d 100644
--- a/build-aux/flatpak/org.gnome.Gtranslator.json
+++ b/build-aux/flatpak/org.gnome.Gtranslator.json
@@ -76,16 +76,6 @@
                 }
             ]
         },
-        {
-            "name" : "gtksourceview",
-            "buildsystem": "meson",
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/gtksourceview.git";
-                }
-            ]
-        },
         {
             "name": "libgda",
             "config-opts": [