Revert "Setting the ASN on the BGP router object as the Global ASN"

This reverts commit 6afa848cc572a85ec990b76508ba12b3cfe55b83.
Setting the ASN on the BGP router object as the Global ASN

Change-Id: I8dc35b34f7755397fbba0b7afede5b1115f376b4
Revert "Setting the ASN on the BGP router object as the Global ASN"

This reverts commit 9680fc08a61a447a9c1059979ce7cf945abdd1c2.