camera: remove temporal bracketing mode
camera: remove temporal bracketing mode

This will be handled at a higher layer, rather than within OMX camera.

mrchapp/gst-openmax,mrchapp/gst-openmax,mrchapp/gst-openmax,mrchapp/gst-openmax-devel,mrchapp/gst-openmax-devel,mrchapp/gst-openmax-devel