Remove parts of //cc we aren't using

cc/OWNERS

Index: cc/OWNERS
diff --git a/cc/OWNERS b/cc/OWNERS
deleted file mode 100644
index 3df92586520b6cc5c0cd70a3b4ff59256f2a8336..0000000000000000000000000000000000000000
--- a/cc/OWNERS
+++ /dev/null
@@ -1,51 +0,0 @@
-# For patches touching specific topics, try the topic-specific OWNERS at the
-# bottom of the file. For patches that touch multiple areas or if you aren't
-# sure, try the more general OWNERS at the top.
-#
-# Folks listed as unofficial can't do OWNERS approvals but are good people to
-# ask for informal reviews.
-
-enne@chromium.org
-jamesr@chromium.org
-nduca@chromium.org
-
-# layers / quads / passes
-enne@chromium.org
-danakj@chromium.org
-
-# ubercompositor
-piman@chromium.org
-danakj@chromium.org
-
-# resource management / mac-specific
-# unofficial: epenner@chromium.org
-ccameron@chromium.org
-
-# input, gestures, scrolling
-aelias@chromium.org
-jamesr@chromium.org
-
-# scheduling / begin frames
-brianderson@chromium.org
-skyostil@chromium.org
-mithro@mithis.com
-
-# texture uploading
-brianderson@chromium.org
-reveman@chromium.org
-skyostil@chromium.org
-
-# tiles and tile management
-reveman@chromium.org
-vmpstr@chromium.org
-
-# math / geometry / layer_tree_host_common
-enne@chromium.org
-vollick@chromium.org
-
-# animation
-vollick@chromium.org
-ajuma@chromium.org
-
-per-file *.isolate=csharp@chromium.org
-per-file *.isolate=maruel@chromium.org