nfsd.service: Remove redundant depdencies

automount.service, which now is before basic.target, ist rather slow to
start. nfsd.service doesn't need to wait for it, because we are not
going to export automount paths.

misc_systemd_units/nfsd.service

@@ -1,8 +1,10 @@
 [Unit]
+DefaultDependencies=no
 ConditionPathExists=/etc/exports
-Requires=local-fs.target proc-fs-nfsd.mount var-lib-nfs-rpc_pipefs.mount
-After=local-fs.target proc-fs-nfsd.mount var-lib-nfs-rpc_pipefs.mount unbound.service mxmount.service
-Wants=unbound.service
+Requires=proc-fs-nfsd.mount var-lib-nfs-rpc_pipefs.mount
+After=proc-fs-nfsd.mount var-lib-nfs-rpc_pipefs.mount
+After=sysinit.target
+Conflicts=shutdown.target
 
 [Service]
 ExecStartPre=/bin/mkdir -p /var/lib/nfs/v4recovery