Finish removing everything related to my Chromecast experiments, for now.

app/build.gradle.kts

@@ -36,7 +36,7 @@ android {
     }
   }
 
-  buildToolsVersion = "29.0.2"
+  buildToolsVersion = "29.0.3"
   compileSdkVersion(29)
 
   defaultConfig {

app/src/main/res/menu-land/toolbar.xml

@@ -2,12 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto">
 
-  <item
+  <!-- <item
     android:id="@+id/cast"
     android:iconTint="@android:color/white"
     android:title="@string/toolbar_cast"
     app:actionProviderClass="androidx.mediarouter.app.MediaRouteActionProvider"
-    app:showAsAction="ifRoom" />
+    app:showAsAction="ifRoom" /> -->
 
   <item
     android:id="@+id/nav_search"

app/src/main/res/menu/toolbar.xml

@@ -8,12 +8,12 @@
     android:title="@string/playback_queue"
     app:showAsAction="ifRoom" />
 
-  <item
+  <!-- <item
     android:id="@+id/cast"
     android:iconTint="@android:color/white"
     android:title="@string/toolbar_cast"
     app:actionProviderClass="androidx.mediarouter.app.MediaRouteActionProvider"
-    app:showAsAction="ifRoom" />
+    app:showAsAction="ifRoom" /> -->
 
   <item
     android:id="@+id/nav_search"