defconfig: Remove SPECTRA_CAMERA definition for kona and lito

Camera codebase is moved from kernel project to camera kernel
component. As part of it, SPECTRA_CAMRERA defconfig is defined
under camera folder in camera component. This change removes
SPECTRA_CAMERA definition from kona, lito platform defconfig
files.

Change-Id: Iae5faf23280e58d961b4c96d28c8beedf7a168f8
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>
Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>