pkg/{connector,linkedingo}old: remove

go.mod

go.sum

pkg/connectorold/capabilities.go

pkg/connectorold/client.go

pkg/connectorold/client_sync.go

pkg/connectorold/config.go

pkg/connectorold/connector.go

pkg/connectorold/dbmeta.go

pkg/connectorold/example-config.yaml

pkg/connectorold/handlelin.go

pkg/connectorold/handlematrix.go

pkg/connectorold/login.go

pkg/connectorold/mapping.go

pkg/linkedingo/realtime.go

pkg/linkedingo/receipts.go

pkg/linkedingoold/client.go

pkg/linkedingoold/errors.go

pkg/linkedingoold/eventold/event.go

pkg/linkedingoold/eventold/rawold/decorated.go

pkg/linkedingoold/eventold/rawold/messaging.go