Don't own /usr/share/gtk-doc/html

Packages that drop files in there need to do that, instead of depending
on gtk-doc.

gtk-doc.spec

@@ -45,8 +45,6 @@ make %{?_smp_mflags}
 %install
 %make_install
 
-mkdir -p $RPM_BUILD_ROOT%{_datadir}/gtk-doc/html
-
 %check
 # For reasons unknown first make check fails with texlive debug spew in log
 # files. Just run it twice to work this around.
@@ -65,6 +63,8 @@ make check || make check
 %changelog
 * Tue Aug 15 2017 Kalev Lember <klember@redhat.com> - 1.26-1
 - Update to 1.26
+- Don't own /usr/share/gtk-doc/html/ -- packages that drop files in there need
+  to co-own the directory, instead of depending on gtk-doc
 
 * Mon Aug 07 2017 Björn Esser <besser82@fedoraproject.org> - 1.25-6
 - Rebuilt for AutoReq cmake-filesystem