Revert "camera: add power mode support"

This reverts commit 356b604181af6b4447e3931b929ebcee81165878.
Revert "Camera: Add support for QC camera features."

This reverts commit 2385dcbf86308ff9c52dd6972bce33e56638d5f3.
Revert "Camera: Adds support for meta data callbacks"

This reverts commit 3ae8033f9ee833dfa9d160ffd20c985862650829.
Revert "Camera: Video HDR Feature Integration."

This reverts commit d570186ff1eb41be9662249891c790b680d574cb.