Remove import history tracking from purchase orders import script

inventory-server/scripts/import/purchase-orders.js

@@ -2,7 +2,6 @@ const { outputProgress, formatElapsedTime, estimateRemaining, calculateRate } =
 
 async function importPurchaseOrders(prodConnection, localConnection) {
   const startTime = Date.now();
-  let importHistoryId;
 
   try {
     // Get last sync info
@@ -11,22 +10,6 @@ async function importPurchaseOrders(prodConnection, localConnection) {
     );
     const lastSyncTime = syncInfo?.[0]?.last_sync_timestamp || '1970-01-01';
 
-    // Create import history record
-    const [historyResult] = await localConnection.query(`
-      INSERT INTO import_history (
-        table_name, 
-        start_time, 
-        is_incremental,
-        status
-      ) VALUES (
-        'purchase_orders',
-        NOW(),
-        ?,
-        'running'
-      )
-    `, [!!syncInfo?.[0]]);
-    importHistoryId = historyResult.insertId;
-
     outputProgress({
       operation: "Starting purchase orders import - Initializing",
       status: "running",
@@ -315,49 +298,15 @@ async function importPurchaseOrders(prodConnection, localConnection) {
       ON DUPLICATE KEY UPDATE last_sync_timestamp = NOW()
     `);
 
-    // Update import history with final stats
-    const endTime = Date.now();
-    const durationSeconds = Math.round((endTime - startTime) / 1000);
-    
-    await localConnection.query(`
-      UPDATE import_history 
-      SET 
-        end_time = NOW(),
-        duration_seconds = ?,
-        records_added = ?,
-        records_updated = ?,
-        status = 'completed',
-        additional_info = JSON_OBJECT(
-          'total_processed', ?,
-          'last_sync_time', ?,
-          'next_sync_time', NOW()
-        )
-      WHERE id = ?
-    `, [durationSeconds, recordsAdded, recordsUpdated, totalItems, lastSyncTime, importHistoryId]);
-
     return {
       status: "complete",
       totalImported: totalItems,
       recordsAdded,
       recordsUpdated,
-      durationSeconds,
       incrementalUpdate: !!syncInfo?.[0]
     };
 
   } catch (error) {
-    // Update import history with error
-    if (importHistoryId) {
-      await localConnection.query(`
-        UPDATE import_history 
-        SET 
-          end_time = NOW(),
-          duration_seconds = ?,
-          status = 'failed',
-          error_message = ?
-        WHERE id = ?
-      `, [Math.round((Date.now() - startTime) / 1000), error.message, importHistoryId]);
-    }
-    
     outputProgress({
       operation: "Purchase orders import failed",
       status: "error",