[Offline pages] Removing obsolete TODOs as part of PE fixit

chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java

Index: chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java
index e983c980b544a561cb9d4779cba1d89afadc1940..d0175194a6f70366ae596bb99836dcd3ff837780 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java
@@ -297,8 +297,6 @@ public class OfflinePageTabObserver
 
     void reinitialize(Context context, TabModel tabModel, SnackbarManager manager,
             SnackbarController controller) {
-        // TODO(fgorski): Work out if we need to also update network changes observer with the
-        // context change.
         mContext = context;
         mSnackbarManager = manager;
         mSnackbarController = controller;