Remove unused glyphicon css.
Remove unused glyphicon css.

pipeline/dotledger,amorphid/dotledger,dotledger/dotledger,malclocke/dotledger,malclocke/dotledger,dotledger/dotledger,amorphid/dotledger,amorphid/dotledger,dotledger/dotledger,pipeline/dotledger,dotledger/dotledger,pipeline/dotledger,malclocke/dotledger