[gnome-todo] flatpak: Remove useless field

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 5c23c7e36b866d3efccdda629ad3c011aee43a0a
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Apr 26 12:51:31 2020 -0300

    flatpak: Remove useless field

 build-aux/flatpak/org.gnome.Todo.json | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Todo.json b/build-aux/flatpak/org.gnome.Todo.json
index 01f96aa..0dca921 100644
--- a/build-aux/flatpak/org.gnome.Todo.json
+++ b/build-aux/flatpak/org.gnome.Todo.json
@@ -161,9 +161,5 @@
                 }
             ]
         }
-    ],
-    "build-options" : {
-        "env" : {
-        }
-    }
+    ]
 }