Add DIR_METADATA files to //ipc

Add Generate DIR_METADATA files and remove metadata from OWNERS
files for //ipc.

R=tsepez@chromium.org

Bug: 1113033
Change-Id: I94e0ae5d58bec857d39a95c1c4d580466cc14bd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453874
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814462}

ipc/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Internals>Core"
+}
\ No newline at end of file

ipc/OWNERS

@@ -22,5 +22,3 @@ per-file *_type_converter*.*=set noparent
 per-file *_type_converter*.*=file://ipc/SECURITY_OWNERS
 
 per-file SECURITY_OWNERS=file://ipc/SECURITY_OWNERS
-
-# COMPONENT: Internals>Core