Resolve, don't wait; Mitigate potential data loss
Resolve, don't wait; Mitigate potential data loss

Rather than wait until keys have been removed in the migration from v5
data, queue the async `remove` call and the immediately resolve with the
data. This is meant to mitigate data loss reported in #241.

This change only affects those still on v5.
tabwrangler/tabwrangler,jacobSingh/tabwrangler,jacobSingh/tabwrangler,tabwrangler/tabwrangler,tabwrangler/tabwrangler