Remove dom-dev team from core/xml OWNERS

As discussed in email and here, removing dominicc@ and cpu@,
adding scottmg@ and dcheng@.

Change-Id: I37ed0e49209f84668ac4b5b04f659e008b604515
Reviewed-on: https://chromium-review.googlesource.com/696744
Commit-Queue: Takayoshi Kochi <kochi@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Carlos Pizano <cpu@chromium.org>
Reviewed-by: Scott Graham <scottmg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506960}

third_party/WebKit/LayoutTests/external/wpt/domparsing/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/domxpath/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org

third_party/WebKit/LayoutTests/fast/xpath/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org

third_party/WebKit/LayoutTests/fast/xsl/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org

third_party/WebKit/LayoutTests/http/tests/xsl/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org

third_party/WebKit/Source/core/xml/OWNERS

-# TEAM: dom-dev@chromium.org
+# There's no real owners here. If you're familiar with the code please send
+# a CL to add yourself here.
 # COMPONENT: Blink>XML
+dcheng@chromium.org
+scottmg@chromium.org

third_party/libxml/OWNERS

 # There's no real owners here. If you're familiar with the code please send
 # a CL to add yourself here.
-cpu@chromium.org
-dominicc@chromium.org
+dcheng@chromium.org
 scottmg@chromium.org
 
-# TEAM: dom-dev@chromium.org
 # COMPONENT: Blink>XML