Bug 1518968 - Make third_party/* be considered as third-party directories; r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D16125

--HG--
extra : moz-landing-system : lando

.clang-format-ignore

@@ -161,11 +161,7 @@ testing/talos/talos/tests/dromaeo/.*
 testing/talos/talos/tests/kraken/.*
 testing/talos/talos/tests/v8_7/.*
 testing/web-platform/tests/resources/webidl2/.*
-third_party/aom/.*
-third_party/msgpack/.*
-third_party/prio/.*
-third_party/python/.*
-third_party/rust/.*
+third_party/.*
 toolkit/components/jsoncpp/.*
 toolkit/components/protobuf/.*
 toolkit/components/url-classifier/chromium/.*

tools/rewriting/ThirdPartyPaths.txt

@@ -101,11 +101,7 @@ testing/talos/talos/tests/dromaeo/
 testing/talos/talos/tests/kraken/
 testing/talos/talos/tests/v8_7/
 testing/web-platform/tests/resources/webidl2/
-third_party/aom/
-third_party/msgpack/
-third_party/prio/
-third_party/python/
-third_party/rust/
+third_party/
 toolkit/components/jsoncpp/
 toolkit/components/protobuf/
 toolkit/components/url-classifier/chromium/