Load private group text lazily too, what the heck.

briar-api/src/main/java/org/briarproject/briar/api/privategroup/event/GroupMessageAddedEvent.java

@@ -17,14 +17,12 @@ public class GroupMessageAddedEvent extends Event {
 
 	private final GroupId groupId;
 	private final GroupMessageHeader header;
-	private final String text;
 	private final boolean local;
 
 	public GroupMessageAddedEvent(GroupId groupId, GroupMessageHeader header,
-			String text, boolean local) {
+			boolean local) {
 		this.groupId = groupId;
 		this.header = header;
-		this.text = text;
 		this.local = local;
 	}
 
@@ -36,10 +34,6 @@ public class GroupMessageAddedEvent extends Event {
 		return header;
 	}
 
-	public String getText() {
-		return text;
-	}
-
 	public boolean isLocal() {
 		return local;
 	}