[gnome-builder] project-tree: remove deprecations workaround

[Christian Hergert <chergert src gnome org>]

commit 9fe3ef10f0d22908101e3673063f203d94b4d46b
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 15 12:16:19 2019 -0700

    project-tree: remove deprecations workaround
    
    This wasn't needed after we switched to our own helper.

 src/plugins/project-tree/gbp-project-tree-pane-actions.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/src/plugins/project-tree/gbp-project-tree-pane-actions.c 
b/src/plugins/project-tree/gbp-project-tree-pane-actions.c
index 163b6ca23..e2965e233 100644
--- a/src/plugins/project-tree/gbp-project-tree-pane-actions.c
+++ b/src/plugins/project-tree/gbp-project-tree-pane-actions.c
@@ -485,11 +485,7 @@ find_terminal_executable (void)
   for (guint i = 0; i < G_N_ELEMENTS (terminals) && path == NULL; ++i)
     {
       if (terminals[i] != NULL)
-        {
-          G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-          path = ide_find_program_in_host_path (terminals[i]);
-          G_GNUC_END_IGNORE_DEPRECATIONS
-        }
+        path = ide_find_program_in_host_path (terminals[i]);
     }
 
   return g_steal_pointer (&path);