Remove the gyp_chromium hook from DEPS.

WATCHLISTS

Index: WATCHLISTS
diff --git a/WATCHLISTS b/WATCHLISTS
index 39ca4d825200a641295d504e50ecfe2065dc083e..70b318193999ea836caae96f2fdcbe1b9ac4f77f 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -444,6 +444,9 @@
     'gpu': {
       'filepath': 'gpu/',
     },
+    'gyp': {
+      'filepath': '.gyp$|.gypi$',
+    },
     'history_ui': {
       'filepath': 'chrome/browser/resources/(md_)?history|'\
                   'chrome/browser/ui/webui/.*history',
@@ -1735,6 +1738,7 @@
     'gn': ['dpranke@chromium.org',
            'tfarina@chromium.org'],
     'gpu': ['piman+watch@chromium.org'],
+    'gyp': ['dpranke@chromium.org'],
     'history_ui': ['dbeam+watch-history@chromium.org',
                    'dubroy@chromium.org',
                    'pam+watch@chromium.org'],