[DevTools] Remove OOPIF notice in Network Panel

We now fully support network from OOPIFs, so the notice
is not needed anymore.

Bug: 750901
Change-Id: If7bc2a291a35cbc9acc55c9248dd3a9f0efa994c
Reviewed-on: https://chromium-review.googlesource.com/887630Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org>
Commit-Queue: Dmitry Gozman <dgozman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532222}

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

@@ -602,14 +602,6 @@ Network.NetworkLogView = class extends UI.VBox {
       hintText.createChild('br');
       hintText.appendChild(
           UI.formatLocalized('Perform a request or hit %s to record the reload.', [reloadShortcutNode]));
-
-      // TODO(lukasza): https://crbug.com/750901: Remove the hint below once
-      // the --site-per-process trial is over (i.e. on or after 2017-10-23).
-      hintText.createChild('br');
-      hintText.appendChild(UI.formatLocalized(
-          'Note: some network activity from out-of-process iframes might be missing. ' +
-              'See http://crbug.com/750901#c4 for more details.',
-          []));
     } else {
       var recordNode = hintText.createChild('b');
       recordNode.textContent = UI.shortcutRegistry.shortcutTitleForAction('network.toggle-recording');