Revert "drm/i915/psr: Implement WA to help reach PC10"

Revert "drm/i915/psr: Implement WA to help reach PC10"

This reverts commit c2579a217799ba577fa39a2a12643a277334e691.

Reverting this commit as it is suspected being culprit on regression.

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/issues/1649
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930071329.1630583-1-jouni.hogander@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>