drm/amd/display: fix repeated words in comments

Delete the redundant word 'in'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_audio.c

@@ -300,7 +300,7 @@ static void set_high_bit_rate_capable(
 	AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_HBR, value);
 }
 
-/* set video latency in in ms/2+1 */
+/* set video latency in ms/2+1 */
 static void set_video_latency(
 	struct audio *audio,
 	int latency_in_ms)