stripping out plaid integration (#2616)

packages/desktop-client/src/components/Modals.tsx

...desktop-client/src/components/modals/PlaidExternalMsg.tsx

packages/desktop-client/src/plaid.js

packages/loot-core/src/client/state-types/modals.d.ts

packages/loot-core/src/mocks/plaid.ts

packages/loot-core/src/server/accounts/link.ts

packages/loot-core/src/server/accounts/sync.test.ts

packages/loot-core/src/server/accounts/sync.ts

packages/loot-core/src/server/main.ts

packages/loot-core/src/server/server-config.ts

packages/loot-core/src/server/tests/mockSyncServer.ts

packages/loot-core/src/types/server-handlers.d.ts

upcoming-release-notes/2616.md