Cleanup image_server example
Cleanup image_server example

Follow the same style across the whole codebase.

Change-Id: I5c5b791512a7883057ed140a4b1f9ce907ae0c3d
GitOrigin-RevId: 4e59d8fd4bb1d19e9394a28c2f86d25931c45054

google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro