Revert "Add a warning for dismissing invalid toasts"
Revert "Add a warning for dismissing invalid toasts"

This reverts commit 3674b6446e4acddffdaf3a3c2c672f5bc53e810a.

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk