Remove more third party plugins from core build.

<!--<module>net.miginfocom.layout</module>--><!-- Moved to third party repository -->
<!--<module>org.apache.batik</module>--><!-- Moved to third party repository -->
<!--<module>org.apache.commons.collections</module>--><!-- Available in Orbit repository  -->
<!--<module>org.apache.commons.lang</module>--><!-- Available in Orbit repository  -->
<!--<module>org.apache.log4j</module>--><!-- Moved to third party repository  -->
<!--<module>org.apache.tools.ant</module>--><!-- Moved to third party repository -->
<!--<module>org.apache.tools.ant.junit</module>--><!-- Moved to third party repository -->
<!--<module>org.csstudio.platform.libs.easymock</module>--><!-- Moved to third party repository  -->