feat: update hdr logic

Author: weileifrank

windows/APIExample/APIExample/Advanced/PushExternalVideoYUV/PushExternalVideoYUV.cpp

@@ -541,10 +541,6 @@ void PushExternalVideoYUV::OnBnClickedCheckHdr()
 	agora::rtc::HDR_CAPABILITY capability = agora::rtc::HDR_CAPABILITY::HDR_CAPABILITY_SUPPORTED;
 
 	int flag = m_rtcEngine->queryHDRCapability(VIDEO_MODULE_HARDWARE_ENCODER, capability);
-	if (flag != 0)
-	{
-		flag = m_rtcEngine->queryHDRCapability(VIDEO_MODULE_SOFTWARE_ENCODER, capability);
-	}
 	if (flag == 0) {
 		isUseHdr = !isUseHdr;
 	}