Cleanup courses

_includes/semester.html

_layouts/course.html

courses/AIProj.md

courses/GenICT1.md

courses/GenICT2.md

courses/KRMT.md

courses/ai.md

courses/ai1.md

courses/ai2.md

courses/complog.md

courses/comsem.md

courses/dbwa.md

courses/dynamics.md

courses/gencs.md

courses/gencs1.md

courses/gencs2.md

courses/krsw.md

courses/lbs.md

courses/meta/README.md

courses/meta/upcoming.md