Fix plomlombot server scripting.

[config] / systemfiles / htwtxt_restart_reminder.service

# /etc/systemd/system/weechat.service

[Unit]
Description=htwtxt restart reminder

[Service]
Type=forking
User=plom
ExecStart=/bin/sh -c '~/config/bin/simplemail_out.sh ~/config/mails/htwtxt_restart'

[Install]
WantedBy=multi-user.target