doc/doc/hw/v1/ias/ias_image45_cdp_curve.svg is disappeared

[kouzhentao]

Hi，

It shows "this file is invalid so it cannot be displayed", can u please have a look? 3x.

[nvhook]

Thanks @kouzhentao, I'll update when resolved.

[fanqifei]

@kouzhentao, the picture can show if using firefox to open http://nvdla.org/hw/v1/ias/unit_description.html. But the picture itself can't be opened by browser.
Maybe its content is corrupted.
It will be converted to png.