drm/amd/display: Remove VSC infoframe dep on DMCU

[Why]
VSC infoframe is needed for PSR. Previously only DMCU controller
supported PSR. Now DMUB also implements PSR.

[How]
Remove VSC infoframe dependency on DMCU.
Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -4557,9 +4557,6 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 	if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
 		mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket, false, false);
 	if (stream->link->psr_settings.psr_feature_enabled) {
-		struct dc  *core_dc = stream->link->ctx->dc;
-
-		if (dc_is_dmcu_initialized(core_dc)) {
 		//
 		// should decide stream support vsc sdp colorimetry capability
 		// before building vsc info packet
@@ -4574,7 +4571,6 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 		}
 		mod_build_vsc_infopacket(stream, &stream->vsc_infopacket);
 	}
-	}
 finish:
 	dc_sink_release(sink);