Remove explicit type argument.

Change-Id: Id02756d780309af6638698de856b563d9e775cc3

Author: Jaehwa-Noh

app/src/androidTest/kotlin/com/google/samples/apps/nowinandroid/ui/NiaAppStateTest.kt

@@ -214,7 +214,7 @@ class NiaAppStateTest {
 @Composable
 private fun rememberTestNavController(): TestNavHostController {
     val context = LocalContext.current
-    return remember<TestNavHostController> {
+    return remember {
         TestNavHostController(context).apply {
             navigatorProvider.addNavigator(ComposeNavigator())
             graph = createGraph(startDestination = "a") {