remove uneeded simplecov test

rubygem-nokogiri.spec

@@ -180,6 +180,10 @@ LANG=C.UTF-8
 cp -a %{gem_name}-%{version}/test/ ./%{gem_instdir}
 pushd ./%{gem_instdir}
 
+# Remove unneeded simplecov coverage test
+sed -i test/helper.rb \
+	-e '\@require.*simplecov@,\@^end$@d'
+
 # Need investigation. For now anyway build
 ruby \
 	-I.:lib:test:ext \