Removes jodconverter configs that is not used anymore

bigbluebutton-web/grails-app/conf/bigbluebutton.properties

@@ -48,25 +48,10 @@ presCheckExec=/usr/share/prescheck/prescheck.sh
 # Office doc to PDF right away.
 skipOfficePrecheck=true
 
-#----------------------------------------------------
-# Number of soffice processes that are running on this machine
-sofficeManagers=4
-
-#----------------------------------------------------
-# Port number of the first soffice process
-sofficeBasePort=8201
-
 #----------------------------------------------------
 # Executable for presentation office conversion
 presOfficeConversionExec=/usr/share/bbb-libreoffice-conversion/convert.sh
 
-#----------------------------------------------------
-# Working directory prefix for each soffice process.
-# The value of this is appended with the number of the
-# soffice process (starting at 1), padded to two digits
-# (e.g. /var/tmp/soffice_01 for the first process).
-sofficeWorkingDirBase=/var/tmp/soffice_
-
 #----------------------------------------------------
 # These will be copied in cases where the conversion process
 # fails to generate a slide from the uploaded presentation