drm/amd/display: Fix assert being hit with GAMCOR memory shut down

[Why]
A call to BREAK_TO_DEBUGGER is triggered when powering down memory

[How]
Remove the check for GAMCOR_MEM_PWR_STATE when powering off the memory
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jacky Liao <ziyu.liao@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp_cm.c

@@ -133,7 +133,6 @@ static void dpp3_power_on_gamcor_lut(
 		struct dpp *dpp_base,
 	bool power_on)
 {
-	uint32_t power_status;
 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
 
 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
@@ -143,12 +142,6 @@ static void dpp3_power_on_gamcor_lut(
 	} else
 		REG_SET(CM_MEM_PWR_CTRL, 0,
 				GAMCOR_MEM_PWR_DIS, power_on == true ? 0:1);
-
-	REG_GET(CM_MEM_PWR_STATUS, GAMCOR_MEM_PWR_STATE, &power_status);
-	if (power_status != 0)
-		BREAK_TO_DEBUGGER();
-
-
 }
 
 void dpp3_program_cm_dealpha(