Fix crash due ot leftover export from BBUI

packages/bbui/src/index.js

@@ -23,7 +23,6 @@ export { default as RadioGroup } from "./Form/RadioGroup.svelte"
 export { default as Checkbox } from "./Form/Checkbox.svelte"
 export { default as Home } from "./Links/Home.svelte"
 export { default as DetailSummary } from "./DetailSummary/DetailSummary.svelte"
-export { default as DropdownMenu } from "./DropdownMenu/DropdownMenu.svelte"
 export { default as Popover } from "./Popover/Popover.svelte"
 export { default as ProgressBar } from "./ProgressBar/ProgressBar.svelte"
 export { default as ProgressCircle } from "./ProgressCircle/ProgressCircle.svelte"