units: remove SYSTEMD_NSS_BYPASS_BUS
units: remove SYSTEMD_NSS_BYPASS_BUS

This is no longer needed. Systemd correctly sets this variable for
dbus-broker.service automatically, so get rid of this hack.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

bus1/dbus-broker