fix: resolve import conflict in purchase order detail page

Frontend/erp-system/app/dashboard/procurement/purchase-orders/[id]/page.tsx

@@ -3,12 +3,7 @@
 import { useEffect, useState } from "react"
 import { useParams, useRouter } from "next/navigation"
 import Link from "next/link"
-<<<<<<< HEAD
-import { AlertTriangle, Ban, Plus, Save, Send, Trash2 } from "lucide-react"
-=======
 import { AlertTriangle, ArrowLeft, Ban, Check, Plus, Save, Trash2 } from "lucide-react"
->>>>>>> 5d0ea3f (feat: enhance purchase orders management with delete and approve actions)
-
 import { isPoEditable, purchaseOrdersApi } from "@/lib/api/purchase-orders"
 import { warehousesApi } from "@/lib/api/warehouses"
 import { itemsApi } from "@/lib/api/items"