Remove ramaining addLine methods.

Closes #426

src/com/dmdirc/FrameContainer.java

@@ -23,8 +23,6 @@
 package com.dmdirc;
 
 import com.dmdirc.commandparser.parsers.CommandParser;
-import com.dmdirc.events.ClientLineAddedEvent;
-import com.dmdirc.events.DisplayPropertyMap;
 import com.dmdirc.events.FrameClosingEvent;
 import com.dmdirc.events.FrameComponentAddedEvent;
 import com.dmdirc.events.FrameComponentRemovedEvent;
@@ -38,7 +36,6 @@ import com.dmdirc.parser.common.CompositionState;
 import com.dmdirc.ui.input.TabCompleter;
 import com.dmdirc.ui.messages.BackBuffer;
 import com.dmdirc.ui.messages.BackBufferFactory;
-import com.dmdirc.ui.messages.Formatter;
 import com.dmdirc.ui.messages.UnreadStatusManager;
 import com.dmdirc.util.ChildEventBusManager;
 import com.dmdirc.util.collections.ListenerList;
@@ -46,7 +43,6 @@ import com.dmdirc.util.collections.ListenerList;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
@@ -297,19 +293,6 @@ public abstract class FrameContainer implements WindowModel {
         return backBuffer;
     }
 
-    @Override
-    @Deprecated
-    public void addLine(final String type, final Object... args) {
-        if (type != null && !type.isEmpty()) {
-            final String line = Formatter.formatMessage(getConfigManager(), type, args);
-            final long time = new Date().getTime();
-            for (final String myLine : line.split("\n")) {
-                getBackBuffer().getDocument().addText(time, DisplayPropertyMap.EMPTY, myLine);
-                eventBus.publishAsync(new ClientLineAddedEvent(this, myLine));
-            }
-        }
-    }
-
     @Override
     public void sendLine(final String line) {
         throw new UnsupportedOperationException("Container doesn't override sendLine");

src/com/dmdirc/commandparser/commands/Command.java

@@ -49,22 +49,6 @@ public abstract class Command {
         return controller;
     }
 
-    /**
-     * Sends a line, if appropriate, to the specified target.
-     *
-     * @param target   The command window to send the line to
-     * @param isSilent Whether this command is being silenced or not
-     * @param type     The type of message to send
-     * @param args     The arguments of the message
-     */
-    @Deprecated
-    protected final void sendLine(@Nullable final WindowModel target,
-            final boolean isSilent, final String type, final Object... args) {
-        if (!isSilent && target != null) {
-            target.addLine(type, args);
-        }
-    }
-
     /**
      * Sends an output line, if appropriate, to the specified target.
      *

src/com/dmdirc/interfaces/WindowModel.java

@@ -140,16 +140,6 @@ public interface WindowModel {
      */
     BackBuffer getBackBuffer();
 
-    /**
-     * Adds a line to this container's window. If the window is null for some reason, the line is
-     * silently discarded.
-     *
-     * @param type The message type to use
-     * @param args The message's arguments
-     */
-    @Deprecated
-    void addLine(String type, Object... args);
-
     /**
      * Sends a line of text to this container's source.
      *