Remove deprecated methods.
Remove deprecated methods.

Change-Id: I5ad29260862e3e9983a7031549bb5e6296551859
Reviewed-on: http://gerrit.dmdirc.com/4055
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <711c73f64afdce07b7e38039a96d2224209e9a6c@dmdirc.com>

DMDirc/Util