删除一些不必要的代码，添加一些注释

chenshijun

2019-04-22 d5ae54ceb9770963fbe88aa0170c08d0ae648b05

 QiaoJiaSystem/StructureApp/FaceExtractElement.cpp

@@ -54,7 +54,7 @@
void FaceExtractElement::submitFaceExtract(FaceToExtract faceToExtract) {
    std::lock_guard<std::mutex> lg(imageQueueMutex);
    if (faceExtractQueue.size() >= VECTOR_MAX) {
        ERR("FaceExtractElement::submitFaceExtract too fast, imageQueue.size()>=QUEUE_MAX : " << faceExtractQueue.size())
        ERR("FaceExtractElement::submitFaceExtract too fast, imageQueue.size()>=QUEUE_MAX")
        return;
    }
    faceExtractQueue.push_back(faceToExtract);