Remove more unused things.

src/main/java/com/dmdirc/commandparser/commands/global/ReloadFormat.java

 import com.dmdirc.commandparser.commands.context.CommandContext;
 import com.dmdirc.interfaces.CommandController;
 import com.dmdirc.interfaces.WindowModel;
-import com.dmdirc.interfaces.config.IdentityController;
 import com.dmdirc.ui.input.AdditionalTabTargets;
 import com.dmdirc.ui.messages.EventFormatProvider;