update (Segment Finance) adding bsquared chain; sunsetting staking

[sgmntp]

Hello Team,

adding newly supported blockchains by the Segment Finance Protocol: B² Network and removing the staking feature (moving towards omnichain, will be added later)

Best, Alex

[llamabutler]

The adapter at projects/segment-finance exports TVL:

bob                       6.29 M
borrowed                  1.15 M
bob-borrowed              1.02 M
bsc                       142.34 k
bsc-borrowed              120.05 k
op_bnb                    58.81 k
rsk                       40.50 k
op_bnb-borrowed           14.35 k
core                      1.37 k
core-borrowed             193
bsquared                  34
rsk-borrowed              22
bsquared-borrowed         21

total                    6.53 M