drm/amd/display: remove assert around dpp_base replacement

drm/amd/display: remove assert around dpp_base replacement

[ Upstream commit 84962445cd8a83dc5bed4c8ad5bbb2c1cdb249a0 ]

There is nothing wrong if in_shaper_func type is DISTRIBUTED POINTS.
Remove the assert placed for a TODO to avoid misinterpretations.

Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1714dcc4c2c53e41190896eba263ed6328bcf415)
Signed-off-by: Sasha Levin <sashal@kernel.org>