Removed extra link to 161 bigO notes
Removed extra link to 161 bigO notes

robertutterback/robertutterback.github.io,robertutterback/robertutterback.github.io,robertutterback/robertutterback.github.io,robertutterback/robertutterback.github.io,robertutterback/robertutterback.github.io,robertutterback/robertutterback.github.io