Remove internal phase comments and format code

Strip all Phase references, TODO/FUTURE roadmap notes, and internal
planning comments from the codebase. Run Prettier for consistent
formatting across all Java files.

src/main/java/com/tiedup/remake/items/ModItems.java

@@ -79,7 +79,6 @@ public class ModItems {
 
     /**
      * All mittens items (1 variant via MittensVariant enum)
-     * Phase 14.4: Blocks hand interactions when equipped
      */
     public static final Map<MittensVariant, RegistryObject<Item>> MITTENS =
         registerAllMittens();
@@ -183,7 +182,6 @@ public class ModItems {
         ItemKey::new
     );
 
-    // Phase 20: Lockpick for picking locks without keys
     public static final RegistryObject<Item> LOCKPICK = ITEMS.register(
         "lockpick",
         ItemLockpick::new