TEST-46-HOMED: Simplify service unit

Let's remove the unneeded NotifyAccess=all and start the socket
and service in the test itself instead of via the service unit. This
makes the test unit identical to the other test units which will allow
us to autogenerate it in a later commit.

test/units/TEST-46-HOMED.service

@@ -3,11 +3,8 @@
 Description=TEST-46-HOMED
 Wants=getty-pre.target
 Before=getty-pre.target
-Requires=systemd-homed.service systemd-userdbd.socket
-After=systemd-homed.service systemd-userdbd.socket
 
 [Service]
 ExecStartPre=rm -f /failed /testok
 ExecStart=/usr/lib/systemd/tests/testdata/units/%N.sh
 Type=oneshot
-NotifyAccess=all

test/units/TEST-46-HOMED.sh

@@ -35,6 +35,8 @@ wait_for_state() {
 
 FSTYPE="$(stat --file-system --format "%T" /)"
 
+systemctl start systemd-homed.service systemd-userdbd.socket
+
 systemd-analyze log-level debug
 systemctl service-log-level systemd-homed debug