Add DIR_METADATA files to //crypto

Add Generate DIR_METADATA files and remove metatada from OWNERS files for //crypto.

R=davidben@chromium.org

Bug: 1113033
Change-Id: I04e31cd9d87948a735b8cf96bac9525c0fbffffc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454300
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: David Benjamin <davidben@chromium.org>
Reviewed-by: David Benjamin <davidben@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814432}

crypto/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>Network>SSL"
+}
+team_email: "net-dev@chromium.org"
\ No newline at end of file

crypto/OWNERS

 agl@chromium.org
 davidben@chromium.org
 rsleevi@chromium.org
-
-# TEAM: net-dev@chromium.org
-# COMPONENT: Internals>Network>SSL