Update quickstart-create-data-factory-azure-cli.md

Removed '@' from, for the command to work :  az datafactory pipeline create --resource-group ADFQuickStartRG \
    --factory-name ADFTutorialFactory --name Adfv2QuickStartPipeline \
    --pipeline @Adfv2QuickStartPipeline.json

Author: animeshda

articles/data-factory/quickstart-create-data-factory-azure-cli.md

@@ -234,7 +234,7 @@ Finally, create and run the pipeline.
    ```azurecli
    az datafactory pipeline create --resource-group ADFQuickStartRG \
        --factory-name ADFTutorialFactory --name Adfv2QuickStartPipeline \
-       --pipeline @Adfv2QuickStartPipeline.json
+       --pipeline Adfv2QuickStartPipeline.json
    ```
 
 1. Run the pipeline by using the [az datafactory pipeline create-run](/cli/azure/datafactory/pipeline#az-datafactory-pipeline-create-run) command: