make blueprints public again and make caf internal in AC

otc_metadata/data/documents/ac-cloud-adoption-framework.yaml

@@ -1,5 +1,5 @@
 ---
-environment: public
+environment: internal
 link: /architecture-center/caf/
 pdf_name: architecture-center-cloud-adoption-framework
 rst_location: doc/caf/source

otc_metadata/services.py

@@ -246,19 +246,12 @@ class Services(object):
                     x for x in srv["teams"] if x["permission"] == "write"
                 ]
             if "repositories" in srv and environment:
-                internal_exists = False
                 for repo in srv["repositories"]:
                     if (
                         "environment" in repo
                         and repo["environment"] == environment
                     ):
                         srv_res["repository"] = repo["repo"]
-                        if repo["environment"] == "internal":
-                            internal_exists = True
-                # internal repo does not exist
-                # service will be left out from metadata.yaml
-                if not internal_exists:
-                    continue
             for doc in self.all_docs:
                 if (
                     "html_location" in doc