Remove unused imports

Change-Id: I0466cff3946061d35428496ca99c40da5ac49a08

core/ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/AdaptiveScaffoldNavigator.kt

@@ -16,16 +16,10 @@
 
 package com.google.samples.apps.nowinandroid.core.ui
 
-import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.WindowInsets
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.ScaffoldDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.produceState
 import androidx.compose.runtime.saveable.rememberSaveableStateHolder
-import androidx.compose.ui.Modifier
 import androidx.navigation.FloatingWindow
 import androidx.navigation.NamedNavArgument
 import androidx.navigation.NavBackStackEntry