Clean up OSS config

Author: samtstern

.opensource/project.json

@@ -8,12 +8,7 @@
     ],
 
     "content": "README.md",
-  
-    // These are relative paths in the same repo,
-    // each of these paths must have a .opensource/project.json
-    "subprojects": [],
 
-    // Other markdown pages that should be rendered nicely
     "pages" : [
         "auth/README.md",
         "database/README.md",
@@ -24,18 +19,10 @@
         "docs/upgrade-to-4.0.md"
     ],
 
-    // Related projects on Github, in the format $owner/$repo[/$subproject]
-    // where subproject is optional.
     "related": [
       "firebase/firebaseui-ios",
       "firebase/firebaseui-web"
-    ],
-  
-    "tags": [
-      "firebase-auth",
-      "firebase-database",
-      "firebase-firestore",
-      "firebase-storage"
     ]
-  }
+    
+}