remove Grades, Syllabus and Library Reserves from collab space nav
remove Grades, Syllabus and Library Reserves from collab space nav

sfu/canvas-lms,grahamb/canvas-lms,va7map/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,va7map/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,va7map/canvas-lms,sfu/canvas-lms,va7map/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms