* gnu/packages/java.scm (ant/java8): Do not inherit from ant-bootstrap.
(ant)[arguments]: Replace to avoid rebuilding.
(jikes, classpath-bootstrap, jamvm-1-bootstrap, ant-bootstrap, ecj-bootstrap,
ecj-javac-wrapper, classpath-0.99, classpath-jamvm-wrappers, classpath-devel,
jamvm, ecj-javac-wrapper-final, ecj4-bootstrap, ecj4-javac-wrapper,
jamvm-with-ecj4): Move these packages from here...
* gnu/packages/java-bootstrap.scm: ...to this new file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Register new file.
