Revert "Added lantz.utils to package includes."

This reverts commit 215df6570791054199861337ffaad37501abef23.
Revert "Merge remote-tracking branch 'upstream/master'"

This reverts commit 9fee61e9a076a7955c893ab543086ec358f9319b, reversing
changes made to 9f47926d57c72e754290d8b3c0917bd907917235.