remove pybind11 to readd as subtree

examples/knxPython/pybind11/tests/test_embed/catch.cpp

@@ -1,22 +0,0 @@
-// The Catch implementation is compiled here. This is a standalone
-// translation unit to avoid recompiling it for every test change.
-
-#include <pybind11/embed.h>
-
-#ifdef _MSC_VER
-// Silence MSVC C++17 deprecation warning from Catch regarding std::uncaught_exceptions (up to catch
-// 2.0.1; this should be fixed in the next catch release after 2.0.1).
-#  pragma warning(disable: 4996)
-#endif
-
-#define CATCH_CONFIG_RUNNER
-#include <catch.hpp>
-
-namespace py = pybind11;
-
-int main(int argc, char *argv[]) {
-    py::scoped_interpreter guard{};
-    auto result = Catch::Session().run(argc, argv);
-
-    return result < 0xff ? result : 0xff;
-}