Remove 2 passing DevTools tests from mojo.fyi.network_browser_tests.filter

TBR: jam@chromium.org

Bug: 721408
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: Ib1999e8752b1d76248eaa17aea1d12dc018d1662
Reviewed-on: https://chromium-review.googlesource.com/997020Reviewed-by: Andrey Kosyakov <caseq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548479}

testing/buildbot/filters/mojo.fyi.network_browser_tests.filter

@@ -23,8 +23,6 @@
 -PKPModelClientTest.PKPEnforced
 -PlatformAppBrowserTest.AppWindowAdjustBoundsToBeVisibleOnScreen
 -PlatformAppBrowserTest.CreateAndCloseAppWindow
--PlatformAppDevToolsBrowserTest.ReOpenedWithID
--PlatformAppDevToolsBrowserTest.ReOpenedWithURL
 -PolicyTest.DefaultCookiesSetting
 -PrefetchBrowserTestPredictionDisabled.ExperimentDisabled
 -PreviewsOptimizationGuideBrowserTest.NoScriptPreviewsEnabledByWhitelist