Clean up a lot of obfuscation helpers and impls

This fixes a bug with obfuscation helpers for attack cooldown
But every other change should stay the same.

Cleaning up a lot of helpers that pointed to already unobfuscated items.
Also adds final to many of the obfhelpers to assist with inlining.

This is pretty much a patch maintenance

Spigot-Server-Patches/EnderDragon-Events.patch

@@ -24,10 +24,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          ++this.c;
      }
  
-+    public void removeAreaEffect() { this.e(); } // Paper - OBFHELPER
-     @Override
-     public void e() {
+-    @Override
+-    public void e() {
++    public final void removeAreaEffect() { this.e(); } // Paper - OBFHELPER
++    @Override public void e() {
          if (this.d != null) {
+             this.d.die();
+             this.d = null;
 diff --git a/src/main/java/net/minecraft/server/DragonControllerStrafe.java b/src/main/java/net/minecraft/server/DragonControllerStrafe.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/server/DragonControllerStrafe.java