drm/amd/powerplay: Remove the SOC floor voltage setting

Remove W/A carried over from VG10 to set VDDSOC Floor Voltage
prior to enabling DPM since the VBIOS covers the floor voltage
setting now

Signed-off-by: Kenneth Feng <[e-mail]>
Reviewed-by: Evan Quan <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c

···
 		data->vbios_boot_state.soc_clock = boot_up_values.ulSocClk;
 		data->vbios_boot_state.dcef_clock = boot_up_values.ulDCEFClk;
 		data->vbios_boot_state.uc_cooling_id = boot_up_values.ucCoolingID;
-		if (0 != boot_up_values.usVddc) {
-			smum_send_msg_to_smc_with_parameter(hwmgr,
-						PPSMC_MSG_SetFloorSocVoltage,
-						(boot_up_values.usVddc * 4));
-			data->vbios_boot_state.bsoc_vddc_lock = true;
-		} else {
-			data->vbios_boot_state.bsoc_vddc_lock = false;
-		}
 		smum_send_msg_to_smc_with_parameter(hwmgr,
 				PPSMC_MSG_SetMinDeepSleepDcefclk,
 			(uint32_t)(data->vbios_boot_state.dcef_clock / 100));