remove token in the pem fix in ce docker entrypoint

The fix here: https://gitlab.cta-observatory.org/cta-computing/dpps/workload/wms/-/blob/main/docker/ce/entrypoint.sh?ref_type=heads#L6

shall be removed once the MR in DIRAC is merged: https://github.com/DIRACGrid/DIRAC/pull/8312