Revert "COMPMID-582: Add validation to channel_extract kernels."

This reverts commit 9a0875951d43dda035f32d2e0728cf59d80cb4d3.

Change-Id: I6af0bc64c656f91cf1e0357f8760defa08f2e78d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/121190
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Anthony Barbier <anthony.barbier@arm.com>
15 files changed