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/models/payment_method.go

@@ -51,13 +51,11 @@ type PaymentMethodResponse struct {
 
 type ListPaymentMethodsRequest struct {
 	OrganizationID *uuid.UUID
-	// When set, EnakPoint is left out unless the outlet accepts it (F9).
-	OutletID *uuid.UUID
-	Type     *constants.PaymentMethodType
-	IsActive *bool
-	Search   string
-	Page     int `validate:"min=1"`
-	Limit    int `validate:"min=1,max=100"`
+	Type           *constants.PaymentMethodType
+	IsActive       *bool
+	Search         string
+	Page           int `validate:"min=1"`
+	Limit          int `validate:"min=1,max=100"`
 }
 
 type ListPaymentMethodsResponse struct {