[gupnp] doc: Remove duplicate depend_files

[Jens Georg <jensgeorg src gnome org>]

commit a4702677f94894ed1197e16ea2828a0836bd0209
Author: Jens Georg <mail jensge org>
Date:   Sat Apr 2 10:32:13 2022 +0200

    doc: Remove duplicate depend_files

 doc/meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/doc/meson.build b/doc/meson.build
index 3f99dca..c227112 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -52,7 +52,6 @@ if get_option('gtk_doc')
           'choosing-a-context-manager.md',
           'glossary.md',
       ],
-      depend_files : gupnp_toml,
       build_by_default: true,
       install: true,
       install_dir : docs_dir,