[gnome-builder/wip/gtk4-port] main: remove unused variables

[Christian Hergert <chergert src gnome org>]

commit b00c74c0d4e5e4a16f5618534980980439a98478
Author: Christian Hergert <christian hergert me>
Date:   Thu May 5 10:23:32 2022 -0700

    main: remove unused variables
    
    These went away when we dropped the gnome-builder worker process.

 src/main.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 77c2023b2..e722e21a2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -205,8 +205,6 @@ gint
 main (gint   argc,
       gchar *argv[])
 {
-  g_autofree gchar *plugin = NULL;
-  g_autofree gchar *type = NULL;
   IdeApplication *app;
   const gchar *desktop;
   gboolean standalone = FALSE;