in chime-sdk-signaling-cpp/src/utils/sdp_utils.h [29:34]
static std::string RemoveAllSinceWordOccurrence(std::string& str, const std::string& word) {
auto pos = str.find(word);
if (pos == std::string::npos) return str;
str.erase(str.begin() + static_cast<int>(pos), str.end());
return str;
}