Comment out irrelevant code that was previously applied to bridging registration

* ie the one from species X to D mel
Provide the correct variable for the Dyak->FBIS1 jacobians

* as far as I can tell it should be:

	leaconfig$Dyak$IS1.jacs

not 

	leaconfig$Dyak$DyakDBM$jacs 

which is not otherwise mentioned