[packages/gdk-pixbuf2] drop obsolete "gtk_doc" meson opt and apply bcond logic to "documentation"

[atler]

commit d78135d0e25595938d44d8dc5db47a0e9ad50c62
Author: Jan Palus <atler at pld-linux.org>
Date:   Tue Sep 16 12:22:30 2025 +0200

    drop obsolete "gtk_doc" meson opt and apply bcond logic to "documentation"

 gdk-pixbuf2.spec | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gdk-pixbuf2.spec b/gdk-pixbuf2.spec
index dd90d31..d0d18a9 100644
--- a/gdk-pixbuf2.spec
+++ b/gdk-pixbuf2.spec
@@ -115,9 +115,8 @@ Dokumentacja API biblioteki gdk-pixbuf.
 %meson \
 	-Dandroid=disabled \
 	-Dbuiltin_loaders=%{?with_glycin:glycin} \
-	-Ddocumentation=true \
+	-Ddocumentation=%{__true_false apidocs} \
 	-Dgif=enabled \
-	%{?with_apidocs:-Dgtk_doc=true} \
 	-Dglycin=%{__enabled_disabled glycin} \
 	-Dinstalled_tests=false \
 	-Dintrospection=enabled \
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/gdk-pixbuf2.git/commitdiff/aaff2a567cb9fd6a2b65084bf8eb7c01cbc47113