[topgen] Remove warning emitted for each inter-module connection
[topgen] Remove warning emitted for each inter-module connection

I assume this was just intended as a debugging tool in commit e4a8507.
As far as I can tell, this shouldn't be a warning.

Signed-off-by: Rupert Swarbrick <290093e2ad2515ed2f14d749293c8cf8e02ca274@lowrisc.org>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan