drop the non-standard 128-bit timetag

protocol/osc/argument.h

@@ -150,27 +150,6 @@ struct timetag
 };
 
 
-/**
- * @brief The timetag128 class
- *
- * Not described in OSC, the 128-bit NTPv4 format for times > Feb 7, 2036
- */
-struct timetag128
-    : Argument
-{
-  timetag128() : Argument('T') {};
-
-  virtual size_t streamSize() const override { return 16; }
-  virtual void iStream(std::shared_ptr<bufferstream> stream) override { *stream >> seconds;
-                                                                        *stream >> fractional; }
-  virtual void oStream(std::shared_ptr<bufferstream> stream) const override { *stream << seconds;
-                                                                            *stream << fractional; }
-
-  uint64_t seconds;                 //!< the number of seconds since midnight on January 1, 1900
-  uint64_t fractional;              //!< fractional parts of a second
-};
-
-
 /**
  * @brief The float64 class
  */