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/handler/payment_method_handler.go

@@ -113,16 +113,6 @@ func (h *PaymentMethodHandler) ListPaymentMethods(c *gin.Context) {
 
 	req.OrganizationID = &contextInfo.OrganizationID
 
-	// At the cashier, EnakPoint is listed only where the outlet accepts it (F9).
-	if outletStr := c.Query("outlet_id"); outletStr != "" {
-		if outletID, err := uuid.Parse(outletStr); err == nil {
-			req.OutletID = &outletID
-		}
-	} else if contextInfo.OutletID != uuid.Nil {
-		outletID := contextInfo.OutletID
-		req.OutletID = &outletID
-	}
-
 	if isActiveStr := c.Query("is_active"); isActiveStr != "" {
 		if isActive, err := strconv.ParseBool(isActiveStr); err == nil {
 			req.IsActive = &isActive