Don't highlight 'goal eclipse' in the first Pants Tutorial

In hindsight, the ide-gen goals are not so exemplary.

Bugs closed: 708

Reviewed at https://rbcommons.com/s/twitter/r/1315/
Sync of https://github.com/pantsbuild/pants/commit/cc1f2dfcf2409fb4df31b5fd0d975109ecb8dbc8