Remove isRemoved skip on .discard() (#9520)

patches/server/Folia-scheduler-and-owned-region-API.patch

@@ -1186,14 +1186,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      @Override
      public CommandSender getBukkitSender(CommandSourceStack wrapper) {
          return this.getBukkitEntity();
-@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
-     }
- 
-     public final void discard() {
-+        if (this.isRemoved()) return; // Paper
-         this.remove(Entity.RemovalReason.DISCARDED);
-     }
- 
 @@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
              return;
          }