Satisfy Codacy.

api/src/main/java/com/dmdirc/events/DisplayLocation.java

@@ -63,6 +63,6 @@ public enum DisplayLocation {
     }
 
     interface DisplayLocationTester {
-        public boolean test(final WindowModel model, final DisplayableEvent event);
+        boolean test(final WindowModel model, final DisplayableEvent event);
     }
 };

src/main/java/com/dmdirc/ui/messages/BackBufferImpl.java

@@ -19,7 +19,6 @@ package com.dmdirc.ui.messages;
 
 import com.dmdirc.events.DisplayLocation;
 import com.dmdirc.events.DisplayProperty;
-import com.dmdirc.events.DisplayPropertyMap;
 import com.dmdirc.events.DisplayableEvent;
 import com.dmdirc.events.eventbus.EventBus;
 import com.dmdirc.interfaces.WindowModel;