Remove udev from /run/opengl-drivers

/run/opengl-drivers should contain only libGL-related libraries, not
stuff like udev. Injecting anything into LD_LIBRARY_PATH is dangerous
because it can break applications that expect a different version of
the library.

Caused by eef9a8ac2a30b495ff7184382ed0dbd73b3b88e4. Fixes #5371.