project: Minor cleanups

Signed-off-by: Samuel Holland <samuel@sholland.org>

app/src/main/java/com/wireguard/android/activity/BaseActivity.java

@@ -16,8 +16,6 @@ import java.util.Objects;
  */
 
 public abstract class BaseActivity extends Activity {
-    private static final String TAG = BaseActivity.class.getSimpleName();
-
     private final SelectionChangeRegistry selectionChangeRegistry = new SelectionChangeRegistry();
     private Tunnel selectedTunnel;
 

app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java

@@ -86,7 +86,7 @@ public final class WgQuickBackend implements Backend {
             final String stateName = resolveState(currentState, state).name().toLowerCase();
             final File file = new File(context.getFilesDir(), tunnel.getName() + ".conf");
             final String path = file.getAbsolutePath();
-            // FIXME: Assumes file layout from FIleConfigStore. Use a temporary file.
+            // FIXME: Assumes file layout from FileConfigStore. Use a temporary file.
             if (rootShell.run(null, String.format("wg-quick %s '%s'", stateName, path)) != 0)
                 throw new IOException("wg-quick failed");
             return tunnel;

app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java

@@ -24,7 +24,7 @@ import org.threeten.bp.format.DateTimeFormatter;
  * Static methods for use by generated code in the Android data binding library.
  */
 
-@SuppressWarnings({"unused", "WeakerAccess"})
+@SuppressWarnings({"unused"})
 public final class BindingAdapters {
     private BindingAdapters() {
         // Prevent instantiation.