backport PR10351 https://github.com/bitcoin/bitcoin/pull/10351/files
c707ca8 removed unused code in INV message (Greg Griffith)
Tree-SHA512: 8152e9bfb7e1e8a321e7c05ea46826b3ecea6fa5e176727a9c944db170cb134ba1adfa0251bece9683a68d52266291bca58240929337aba6328b915931e60eb9