AW: Update CTS filter: remove passing tests

No change to logic.

These tests are passing in a local run. Tested with 74.0.3718.0.

R=jam@chromium.org

Bug: 923938
Test: android_webview/tools/run_cts.py \
Test: -f=CookieManagerTest.testRemoveCookies \
Test: :WebViewTest.testSetDownloadListener
Change-Id: Id7358b04cda1c43769add8e4a792560742cd08a0
Reviewed-on: https://chromium-review.googlesource.com/c/1489424
Commit-Queue: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636306}

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

@@ -18,11 +18,9 @@
 
 # Tests that fail with NetworkService feature enabled. https://crbug.com/923938
 -android.webkit.cts.CookieManagerTest.testAcceptCookie
--android.webkit.cts.CookieManagerTest.testRemoveCookies
 -android.webkit.cts.CookieManagerTest.testThirdPartyCookie
 -android.webkit.cts.WebChromeClientTest.testOnJsBeforeUnloadIsCalled
 -android.webkit.cts.WebViewClientTest.testOnReceivedError
 -android.webkit.cts.WebViewClientTest.testShouldOverrideUrlLoading
--android.webkit.cts.WebViewTest.testSetDownloadListener
 -com.android.cts.webkit.WebViewDeviceSideStartupTest.testCookieManagerBlockingUiThread