Drop ruby-devel dependency on rubypick, which is pulled in transtitively.

ruby.spec

@@ -21,7 +21,7 @@
 %endif
 
 
-%global release 79
+%global release 84
 %{!?release_string:%global release_string %{?development_release:0.}%{release}%{?development_release:.%{development_release}}%{?dist}}
 
 # The RubyGems library has to stay out of Ruby directory three, since the
@@ -167,7 +167,8 @@ straight-forward, and extensible.
 Summary:    A Ruby development environment
 Group:      Development/Languages
 Requires:   %{name}%{?_isa} = %{version}-%{release}
-Requires:   rubypick
+# This would not be needed if ~50 packages depending on -devel used
+# --disable-gems
 Requires:   rubygems
 
 %description devel
@@ -1021,6 +1022,9 @@ make check TESTS="-v $DISABLE_TESTS"
 %{gem_dir}/specifications/xmlrpc-%{xmlrpc_version}.gemspec
 
 %changelog
+* Fri Sep 08 2017 Vít Ondruch <vondruch@redhat.com> - 2.4.1-84
+- Drop ruby-devel dependency on rubypick, which is pulled in transtitively.
+
 * Mon Apr 03 2017 Vít Ondruch <vondruch@redhat.com> - 2.4.1-79
 - Update to Ruby 2.4.1.