FactoryRouter.sol still has pool & vesting related stuff. Remove it (for contracts v2)

[trentmc]

https://github.com/oceanprotocol/contracts/blob/v2.0/contracts/pools/FactoryRouter.sol

[trentmc]

If we did this, problems are:

• it doesn't reflect what we have on-chain
• we'd have to update ocean.js, ocean.py etc a bit "in case"

[trentmc]

Therefore closing