drm/msm/dp: remove debugging prints with internal struct phy state

drm/msm/dp: remove debugging prints with internal struct phy state

These do not provide much value, and will become hard to maintain once
the Generic PHY framework starts hiding the contents of struct phy from
consumers.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/714986/
Link: https://lore.kernel.org/r/20260327184706.1600329-16-vladimir.oltean@nxp.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>