drm/msm: dpu: Clean up _dpu_core_video_mode_intf_connected()

Local variable is not needed and condition can't be hit.
Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c

@@ -65,22 +65,17 @@ static bool _dpu_core_perf_crtc_is_power_on(struct drm_crtc *crtc)
 static bool _dpu_core_video_mode_intf_connected(struct drm_crtc *crtc)
 {
 	struct drm_crtc *tmp_crtc;
-	bool intf_connected = false;
-
-	if (!crtc)
-		return intf_connected;
 
 	drm_for_each_crtc(tmp_crtc, crtc->dev) {
 		if ((dpu_crtc_get_intf_mode(tmp_crtc) == INTF_MODE_VIDEO) &&
 				_dpu_core_perf_crtc_is_power_on(tmp_crtc)) {
 			DPU_DEBUG("video interface connected crtc:%d\n",
 				tmp_crtc->base.id);
-			intf_connected = true;
-			return intf_connected;
+			return true;
 		}
 	}
 
-	return intf_connected;
+	return false;
 }
 
 static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms,