Fix spotless

Change-Id: I98a9b9fa1de5cc0bb3a3caa7d795053fd784b238

app/src/testDemo/kotlin/com/google/samples/apps/nowinandroid/ui/NiaAppScreenSizesScreenshotTests.kt

@@ -24,7 +24,6 @@ import androidx.compose.ui.platform.LocalInspectionMode
 import androidx.compose.ui.test.DeviceConfigurationOverride
 import androidx.compose.ui.test.ForcedSize
 import androidx.compose.ui.test.junit4.createAndroidComposeRule
-import androidx.compose.ui.test.onNodeWithTag
 import androidx.compose.ui.test.onRoot
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.DpSize