remove flag camera_device_setup

camera_device_setup flag is fully launched. This CL removes
usages of the flag in the SDK.

Bug: 365555385
Test: No functional change. Existing tests pass.
Flag: EXEMPT Flag removal
FCRS_CODE : m9rmpegmumnnvf

Change-Id: I64aaf5c1c0829ce8cec61762849295fcfdee2129