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/Reset-players-airTicks-on-respawn.patch

@@ -12,7 +12,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
  
      }
  
-+    public int getMaxAirTicks() { return bD(); } // Paper - OBFHELPER
++    public final int getMaxAirTicks() { return bD(); } // Paper - OBFHELPER
      public int bD() {
          return 300;
      }