Remove web team from CODEOWNERS for content directories

The web team was getting a lot of noise from my recent code owner
changes, so we decided together to remove them from the CODEOWNERS for
docs content directories.

CODEOWNERS

@@ -2,6 +2,16 @@
 
 # release configuration
 
-# web presence and education
 
-/website/       @hashicorp/team-docs-packer-and-terraform @hashicorp/web-presence @hashicorp/packer
+# engineering and web presence get notified of, and can approve changes to web tooling, but not content.
+
+/website/               @hashicorp/web-presence @hashicorp/packer
+/website/data/
+/website/public/
+/website/content/
+
+# education and engineering get notified of, and can approve changes to web content.
+
+/website/data/          @hashicorp/team-docs-packer-and-terraform @hashicorp/packer
+/website/public/        @hashicorp/team-docs-packer-and-terraform @hashicorp/packer
+/website/content/       @hashicorp/team-docs-packer-and-terraform @hashicorp/packer