Drop noto-cjk fonts from the CrOS font list to install

BUG=697954
TEST=run-webkit-tests does not time out.

Review-Url: https://codereview.chromium.org/2784603004
Cr-Original-Commit-Position: refs/heads/master@{#460857}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 9492ea7b7a2145a72e99178a81db98f0ac16b857

linux/install-chromeos-fonts.py

@@ -16,13 +16,13 @@ URL_TEMPLATE = ('https://commondatastorage.googleapis.com/chromeos-localmirror/'
                 'distfiles/%(name)s-%(version)s.tar.bz2')
 
 # Taken from the media-fonts/<name> ebuilds in chromiumos-overlay.
+# noto-cjk used to be here, but is removed because fc-cache takes too long
+# regenerating the fontconfig cache (See crbug.com/697954.)
+# TODO(jshin): Add it back when the above issue can be avoided.
 SOURCES = [
   {
     'name': 'notofonts',
     'version': '20161129'
-  }, {
-    'name': 'noto-cjk',
-    'version': '20150910'
   }, {
     'name': 'robotofonts',
     'version': '2.132'