[rhythmbox] build: only build one copy of the introspection data

[Jonathan Matthew <jmatthew src gnome org>]

commit fe0cda1cece80d66f61d86f2a09571571ced35ba
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sun Nov 14 21:45:16 2021 +1000

    build: only build one copy of the introspection data
    
    we're already building it in the same dir that the libraries are
    built in, so we don't need to do it in bindings/gi/ too.

 bindings/gi/meson.build | 73 -------------------------------------------------
 bindings/meson.build    |  2 --
 2 files changed, 75 deletions(-)
---
diff --git a/bindings/meson.build b/bindings/meson.build
index ef61c7522..96bd779b9 100644
--- a/bindings/meson.build
+++ b/bindings/meson.build
@@ -1,5 +1,3 @@
-subdir('gi')
-
 if enable_vala
   subdir('vala')
 endif