chore: cleanup annotations in api adventure patch

patches/api/Expand-world-key-API.patch

@@ -110,10 +110,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      public WorldCreator(@NotNull String name) {
 -        if (name == null) {
 -            throw new IllegalArgumentException("World name cannot be null");
+-        }
+-
+-        this.name = name;
+-        this.seed = (new Random()).nextLong();
 +        // Paper start
 +        this(name, getWorldKey(name));
-+    }
-+
+     }
+ 
 +    private static NamespacedKey getWorldKey(String name) {
 +        final String mainLevelName = Bukkit.getUnsafe().getMainLevelName();
 +        if (name.equals(mainLevelName)) {
@@ -124,10 +128,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            return NamespacedKey.minecraft("the_end");
 +        } else {
 +            return NamespacedKey.minecraft(name.toLowerCase(java.util.Locale.ENGLISH).replace(" ", "_"));
-         }
++        }
 +    }
- 
--        this.name = name;
++
 +    /**
 +     * Creates an empty WorldCreator for the given world name and key
 +     *
@@ -139,7 +142,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            throw new IllegalArgumentException("World name and key cannot be null");
 +        }
 +        this.name = levelName;
-         this.seed = (new Random()).nextLong();
++        this.seed = (new Random()).nextLong();
 +        this.key = worldKey;
 +    }
 +
@@ -183,8 +186,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    @NotNull
 +    public static WorldCreator ofKey(@NotNull NamespacedKey worldKey) {
 +        return new WorldCreator(worldKey);
-     }
++    }
 +    // Paper end
- 
++
      /**
       * Copies the options from the specified world
+      *