Remove pointerlock folder from internal automation whitelist

As pointerlock wpt tests are now all fully automated with testdriver
APIs there is no need for internal automation whitelisting of
pointerlock folder.

Change-Id: Id06b0e49a99c95a7c3d1ffe4f8cee44362159d73
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2097118Reviewed-by: Lan Wei <lanwei@chromium.org>
Commit-Queue: Navid Zolghadr <nzolghadr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748906}

third_party/blink/web_tests/resources/testharnessreport.js

@@ -120,7 +120,6 @@
             pathAndBase.startsWith('/css/') ||
             pathAndBase.startsWith('/pointerevents/') ||
             pathAndBase.startsWith('/uievents/') ||
-            pathAndBase.startsWith('/pointerlock/') ||
             pathAndBase.startsWith('/html/') ||
             pathAndBase.startsWith('/input-events/') ||
             pathAndBase.startsWith('/css/selectors/') ||