Remove some deprecated methods.

Change-Id: Ic23e4904ada42ac1cb942634d397b002d67eda30
Reviewed-on: http://gerrit.dmdirc.com/3285
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Remove some deprecated methods.

Change-Id: I3a1235a1cda244bc87bbfde5dcd4259e96c52565
Reviewed-on: http://gerrit.dmdirc.com/3286
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager
More deprecation removal.

Change-Id: I2410da37482e1020574dfa55b738ab0e249130ce
Reviewed-on: http://gerrit.dmdirc.com/3287
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager