Generate javadoc package automatically

Signed-off-by: Mikolaj Izdebski <mizdebsk@redhat.com>

plexus-languages.spec

@@ -1,6 +1,6 @@
 Name:           plexus-languages
 Version:        0.9.3
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Plexus Languages
 License:        ASL 2.0
 URL:            https://github.com/codehaus-plexus/plexus-languages
@@ -27,11 +27,7 @@ BuildRequires:  objectweb-asm
 Plexus Languages is a set of Plexus components that maintain shared
 language features.
 
-%package javadoc
-Summary:        Javadoc for %{name}
-
-%description javadoc
-API documentation for %{name}.
+%{?javadoc_package}
 
 %prep
 %setup -q -n plexus-languages-plexus-languages-%{version}
@@ -52,10 +48,10 @@ ln -sf $(find-jar objectweb-asm/asm) plexus-java/src/test/resources/jar.descript
 %files -f .mfiles
 %license LICENSE-2.0.txt
 
-%files javadoc -f .mfiles-javadoc
-%license LICENSE-2.0.txt
-
 %changelog
+* Wed Feb 14 2018 Mikolaj Izdebski <mizdebsk@redhat.com> - 0.9.3-4
+- Generate javadoc package automatically
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild