Remove redundant calls to `done`
Remove redundant calls to `done`

These tests which return a promise already don't need to call `done`.

matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,krombel/matrix-js-sdk,krombel/matrix-js-sdk,matrix-org/matrix-js-sdk,krombel/matrix-js-sdk,matrix-org/matrix-js-sdk