drm/amd/display: [FW Promotion] Release 0.0.180.0

 - Remove unused flag otg_powered_down
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

@@ -420,11 +420,6 @@ union replay_hw_flags {
 		 */
 		uint32_t smu_optimizations_en : 1;
 
-		/**
-		 * @otg_powered_down: Flag to keep track of OTG power state.
-		 */
-		uint32_t otg_powered_down : 1;
-
 		/**
 		 * @phy_power_state: Indicates current phy power state
 		 */