Update the section about running tests
Update the section about running tests

The harness tests have long been migrated to YAML and are run from make
check automatically.

liblouis/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,liblouis/liblouis,vsmontalvao/liblouis,vsmontalvao/liblouis,IndexBraille/liblouis,BueVest/liblouis,vsmontalvao/liblouis,hammera/liblouis,BueVest/liblouis,hammera/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis,hammera/liblouis,liblouis/liblouis,liblouis/liblouis,IndexBraille/liblouis,hammera/liblouis,liblouis/liblouis,vsmontalvao/liblouis,IndexBraille/liblouis,BueVest/liblouis,hammera/liblouis,BueVest/liblouis