gamnit: don't delete simple_2d_program at on_stop, in case of restart

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/flat/flat_core.nit b/lib/gamnit/flat/flat_core.nit
index 59f4b37..ef49d00 100644 (file)
--- a/lib/gamnit/flat/flat_core.nit
+++ b/lib/gamnit/flat/flat_core.nit
@@ -476,9 +476,6 @@ redef class App
        do
                super
 
-               # Clean up
-               simple_2d_program.delete
-
                # Close gamnit
                var display = display
                if display != null then display.close