Avoid to apply the patchelf command to ELF executables and libraries to
remove unused directories from the RPATH.
Fixes:
% openocd
openocd: /nix/store/.../hosttools/.../lib/libc.so.6: version
`GLIBC_ABI_DT_RELR' not found (required by
/nix/store/.../...h9x-glibc-2.38-44/lib/libpthread.so.0)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>