[ci skip] Drop stale TODO

This is no longer needed as we explicitly add the correct gen settings to the SavedDataStorage for custom dimensions in CraftServer. We no longer have multiple PrimaryLevelData, and WorldGenSettings is saved in its own file.

Author: jpenilla

paper-server/patches/sources/net/minecraft/world/level/storage/PrimaryLevelData.java.patch

@@ -32,15 +32,14 @@
      }
 
      @Override
-@@ -128,20 +_,23 @@
+@@ -128,20 +_,22 @@
 
          writeVersionTag(tag);
          NbtUtils.addCurrentDataVersion(tag);
 -        tag.putInt("GameType", this.settings.gameType().getId());
 -        tag.store("spawn", LevelData.RespawnData.CODEC, this.respawnData);
 -        tag.putLong("Time", this.gameTime);
 +        tag.putInt("GameType", this.settings.gameType().getId()); // Paper - diff on change - PaperLevelOverrides.createFromRawLevelData
-+        // TODO - snapshot - Missing WorldGenSettings.encode diff
 +        tag.store("spawn", LevelData.RespawnData.CODEC, this.respawnData); // Paper - diff on change - PaperLevelOverrides.createFromRawLevelData
 +        tag.store(PAPER_RESPAWN_DIMENSION, net.minecraft.world.level.Level.RESOURCE_KEY_CODEC, this.respawnDimension); // Paper
 +        tag.putLong("Time", this.gameTime); // Paper - diff on change - PaperLevelOverrides.createFromRawLevelData