drm/msm/dsi: Drop unused regulators from QCM2290 14nm DSI PHY config

The regulator setup was likely copied from other SoCs by mistake.  Just
like SM6125 the DSI PHY on this platform is not getting power from a
regulator but from the MX power domain.

Fixes: 572e9fd ("drm/msm/dsi: Add phy configuration for QCM2290")
Signed-off-by: Marijn Suijten <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Abhinav Kumar <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/544536/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Abhinav Kumar <[email protected]>

Author: MarijnS95

drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c

@@ -1087,8 +1087,6 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs = {
 
 const struct msm_dsi_phy_cfg dsi_phy_14nm_2290_cfgs = {
 	.has_phy_lane = true,
-	.regulator_data = dsi_phy_14nm_17mA_regulators,
-	.num_regulators = ARRAY_SIZE(dsi_phy_14nm_17mA_regulators),
 	.ops = {
 		.enable = dsi_14nm_phy_enable,
 		.disable = dsi_14nm_phy_disable,