arg parser: removed superfluous code
arg parser: removed superfluous code

Signed-off-by: karthik nedunchezhiyan <e4e36e275c88378e927f245cdd9c5374c766fe88@zohocorp.com>

firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker