chore: cleanup annotations in api adventure patch

patches/server/Allow-adding-items-to-BlockDropItemEvent.patch

@@ -31,13 +31,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +                    Entity item = ((org.bukkit.craftbukkit.entity.CraftItem) bukkit).getHandle();
 +                    item.level.addFreshEntity(item);
 +                }
-+            }
+             }
 +        } else {
 +            for (Item bukkit : list) {
 +                if (bukkit.isValid()) {
 +                    bukkit.remove();
 +                }
-             }
++            }
 +            // Paper end
          }
      }