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/constants/error.go

@@ -12,12 +12,6 @@ const (
 	ValidationErrorCode     = "304"
 	InvalidFieldErrorCode   = "305"
 	NotFoundErrorCode       = "404"
-	// PIN outcomes the customer app tells apart (docs/prd-point-coin.md §9).
-	PinNotSetErrorCode       = "PIN_NOT_SET"
-	PinInvalidErrorCode      = "PIN_INVALID"
-	PinLockedErrorCode       = "PIN_LOCKED"
-	TransferBlockedErrorCode = "TRANSFER_BLOCKED"
-	TooManyRequestsErrorCode = "429"
 )
 
 const (
@@ -69,23 +63,15 @@ const (
 	ProductOutletPriceServiceEntity = "product_outlet_price_service"
 	ExpenseServiceEntity            = "expense_service"
 	CashAdvanceServiceEntity        = "cash_advance_service"
-	WalletServiceEntity             = "wallet_service"
-	LoyaltySettingsServiceEntity    = "loyalty_settings_service"
-	CustomerPinServiceEntity        = "customer_pin_service"
 )
 
 var HttpErrorMap = map[string]int{
-	InternalServerErrorCode:  http.StatusInternalServerError,
-	MissingFieldErrorCode:    http.StatusBadRequest,
-	MalformedFieldErrorCode:  http.StatusBadRequest,
-	ValidationErrorCode:      http.StatusBadRequest,
-	InvalidFieldErrorCode:    http.StatusBadRequest,
-	NotFoundErrorCode:        http.StatusNotFound,
-	PinNotSetErrorCode:       http.StatusForbidden,
-	PinInvalidErrorCode:      http.StatusBadRequest,
-	PinLockedErrorCode:       http.StatusLocked,
-	TransferBlockedErrorCode: http.StatusForbidden,
-	TooManyRequestsErrorCode: http.StatusTooManyRequests,
+	InternalServerErrorCode: http.StatusInternalServerError,
+	MissingFieldErrorCode:   http.StatusBadRequest,
+	MalformedFieldErrorCode: http.StatusBadRequest,
+	ValidationErrorCode:     http.StatusBadRequest,
+	InvalidFieldErrorCode:   http.StatusBadRequest,
+	NotFoundErrorCode:       http.StatusNotFound,
 }
 
 // Error messages