Adjust front-end based on web2 login server updates

[Marie Gauthier]

Is your feature request related to a problem? Please describe.
As part of regen-network/regen-server#398 for supporting web2 login users, some database tables have been renamed or removed which is breaking for a number of our current front-end queries.

Describe the solution you'd like

• Update old party queries and mutations to use the new name account
• Update queries and mutations to not use the wallet table anymore, which has been removed, in favor of a single addr column in the account table
• Remove logic related to adding addresses

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