[gtk/revert-82ab039a] Stop passing introspection=false to graphene

[Matthias Clasen <matthiasc src gnome org>]

commit 5ff843f97d6b29494c94ed8c2ed40e6df9aba4ed
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 12 16:04:15 2021 -0500

    Stop passing introspection=false to graphene
    
    This should no longer be possible (and the introspection
    option is no longer a boolean.

 meson.build | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)
---
diff --git a/meson.build b/meson.build
index 8677754121..c3a980ef8d 100644
--- a/meson.build
+++ b/meson.build
@@ -391,14 +391,8 @@ harfbuzz_dep   = dependency('harfbuzz', version: '>= 0.9', required: false,
                             fallback: ['harfbuzz', 'libharfbuzz_dep'],
                             default_options: ['coretext=enabled'])
 xkbdep         = dependency('xkbcommon', version: xkbcommon_req, required: wayland_enabled)
-if os_darwin
-  graphene_dep   = dependency('graphene-gobject-1.0', version: graphene_req,
-                              fallback: ['graphene', 'graphene_dep'],
-                              default_options: ['introspection=false'])
-else
-  graphene_dep   = dependency('graphene-gobject-1.0', version: graphene_req,
-                              fallback: ['graphene', 'graphene_dep'])
-endif
+graphene_dep   = dependency('graphene-gobject-1.0', version: graphene_req,
+                            fallback: ['graphene', 'graphene_dep'])
 iso_codes_dep  = dependency('iso-codes', required: false)
 
 gtk_doc_dep    = dependency('gtk-doc', version: '>=1.33',