If pybind11 is installed on the system its headers are already captured
by @local_config_python//:python_headers, so the system lib only needs
to depend on that.
When installed correctly, includes should be #include "pybind11/...",
the bundled pybind11 is based off the source repo which does not match
the install paths. Use bazels strip_include_prefix to align the bundled
headers correctly.
Signed-off-by: Jason Zaman <jason@perfinion.com>
