Move the 3 lisp libraries that are not in lisp-xyz.scm with the others.
* gnu/packages/machine-learning.scm (sbcl-cl-libsvm-format, cl-libsvm-format,
ecl-cl-libsvm-format, sbcl-cl-online-learning, cl-online-learning,
ecl-cl-online-learning, sbcl-cl-random-forest, cl-random-forest,
ecl-cl-random-forest): Move to ...
* gnu/packages/lisp-xyz.scm (sbcl-cl-libsvm-format, cl-libsvm-format,
ecl-cl-libsvm-format, sbcl-cl-online-learning, cl-online-learning,
ecl-cl-online-learning, sbcl-cl-random-forest, cl-random-forest,
ecl-cl-random-forest): ... here.