Revert "feat(loyalty): EnakPoint & EnakCoin" (#32)

This reverts merge commit 645da30, returning main to f0ff59f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/repository/payment_method_repository.go

@@ -75,8 +75,6 @@ func (r *PaymentMethodRepositoryImpl) List(ctx context.Context, filters map[stri
 		case "search":
 			searchValue := "%" + value.(string) + "%"
 			query = query.Where("name ILIKE ? OR processor ILIKE ?", searchValue, searchValue)
-		case "exclude_type":
-			query = query.Where("type <> ?", value)
 		default:
 			query = query.Where(key+" = ?", value)
 		}