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/client/state/CollarRegistryClient.java

@@ -15,7 +15,6 @@ import net.minecraftforge.api.distmarker.OnlyIn;
  *
  * Used by SlaveManagementScreen to display owned slaves without spatial queries.
  *
- * Phase 17: Terminology Refactoring - Global Collar Registry
  */
 @OnlyIn(Dist.CLIENT)
 public class CollarRegistryClient {