Remove unused import from demo app (JetBrains#2942)

Author: svastven

compose/mpp/demo/src/commonMain/kotlin/androidx/compose/mpp/demo/components/Components.kt

@@ -25,7 +25,6 @@ import androidx.compose.mpp.demo.components.material3.BottomSheetScaffoldExample
 import androidx.compose.mpp.demo.components.material3.DateTimePickerExample
 import androidx.compose.mpp.demo.components.material3.DropdownMenu3Example
 import androidx.compose.mpp.demo.components.material3.ListDetailPaneScaffoldExample
-import androidx.compose.mpp.demo.components.material3.ModalBottomSheet3Example
 import androidx.compose.mpp.demo.components.material3.ModalBottomSheetExample
 import androidx.compose.mpp.demo.components.material3.ModalNavigationDrawerExample
 import androidx.compose.mpp.demo.components.material3.SearchBarExample