[gnome-builder] flatpak: drop libgit2-glib patch

[Christian Hergert <chergert src gnome org>]

commit 396ecb57828862e5c79975a54bbd3dbddb7d8a92
Author: Christian Hergert <chergert redhat com>
Date:   Thu Aug 9 13:57:37 2018 -0700

    flatpak: drop libgit2-glib patch
    
    We don't need this anymore with libgit2-glib from master.

 build-aux/flatpak/fix-libgit2-glib-pc.patch | 18 ------------------
 build-aux/flatpak/org.gnome.Builder.json    |  4 ----
 2 files changed, 22 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Builder.json b/build-aux/flatpak/org.gnome.Builder.json
index 198d219fc..3334305cc 100644
--- a/build-aux/flatpak/org.gnome.Builder.json
+++ b/build-aux/flatpak/org.gnome.Builder.json
@@ -531,10 +531,6 @@
                 {
                     "type" : "git",
                     "url" : "https://gitlab.gnome.org/GNOME/libgit2-glib.git";
-                },
-                {
-                    "type" : "patch",
-                    "path" : "fix-libgit2-glib-pc.patch"
                 }
             ]
         },