Remove reference to legacy configuration format
Remove reference to legacy configuration format

Remove the sentence "All configuration directives need to be specified on a line by their own and must start with a dollar-sign."
janmejay/rsyslog-doc,janmejay/rsyslog-doc,janmejay/rsyslog-doc,qha/rsyslog-doc,qha/rsyslog-doc,janmejay/rsyslog-doc,sematext/rsyslog-doc,sematext/rsyslog-doc,qha/rsyslog-doc,sematext/rsyslog-doc,sematext/rsyslog-doc,qha/rsyslog-doc