Remove static context getter from BrowserApp

app/src/main/java/acr/browser/lightning/app/BrowserApp.java

@@ -20,7 +20,6 @@ public class BrowserApp extends Application {
     private static AppComponent appComponent;
     private static final Executor mIOThread = Executors.newSingleThreadExecutor();
 
-    @Inject static Context context;
     @Inject static HistoryDatabase historyDatabase;
     @Inject static Bus bus;
     @Inject static PreferenceManager preferenceManager;
@@ -41,10 +40,6 @@ public class BrowserApp extends Application {
         return appComponent;
     }
 
-    public static Context getContext() {
-        return context;
-    }
-
     public static HistoryDatabase getHistoryDatabase() {
         return historyDatabase;
     }