Fix javadoc errors, remove unused classes

patches/server/CB-fixes.patch

@@ -114,6 +114,26 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  this.acceptsAll(Main.asList("nogui"), "Disables the graphical console");
  
                  this.acceptsAll(Main.asList("nojline"), "Disables jline and emulates the vanilla console");
+diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
++++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+@@ -0,0 +0,0 @@ import org.bukkit.scheduler.BukkitWorker;
+ 
+ /**
+  * The fundamental concepts for this implementation:
++ * <ul>
+  * <li>Main thread owns {@link #head} and {@link #currentTick}, but it may be read from any thread</li>
+  * <li>Main thread exclusively controls {@link #temp} and {@link #pending}.
+  *     They are never to be accessed outside of the main thread; alternatives exist to prevent locking.</li>
+@@ -0,0 +0,0 @@ import org.bukkit.scheduler.BukkitWorker;
+  * <li>Sync tasks are only to be removed from runners on the main thread when coupled with a removal from pending and temp.</li>
+  * <li>Most of the design in this scheduler relies on queuing special tasks to perform any data changes on the main thread.
+  *     When executed from inside a synchronous method, the scheduler will be updated before next execution by virtue of the frequent {@link #parsePending()} calls.</li>
++ * </ul>
+  */
+ public class CraftScheduler implements BukkitScheduler {
+ 
 diff --git a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java