Remove python2 from configure.ac

Author: ken2812221

configure.ac

@@ -84,7 +84,7 @@ AC_PATH_TOOL(STRIP, strip)
 AC_PATH_TOOL(GCOV, gcov)
 AC_PATH_PROG(LCOV, lcov)
 dnl Python 3.x is supported from 3.4 on (see https://github.com/bitcoin/bitcoin/issues/7893)
-AC_PATH_PROGS([PYTHON], [python3.6 python3.5 python3.4 python3 python2.7 python2 python])
+AC_PATH_PROGS([PYTHON], [python3.7 python3.6 python3.5 python3.4 python3 python])
 AC_PATH_PROG(GENHTML, genhtml)
 AC_PATH_PROG([GIT], [git])
 AC_PATH_PROG(CCACHE,ccache)