Revert "fix(utils): formatCurrency muestra 2 decimales en vez de 0"

This reverts commit 2da38c5fd7.

apps/web/lib/utils.ts

@@ -2,7 +2,7 @@ export function formatCurrency(value: number): string {
   return new Intl.NumberFormat('es-MX', {
     style: 'currency',
     currency: 'MXN',
-    minimumFractionDigits: 2,
-    maximumFractionDigits: 2,
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
   }).format(value);
 }