Remove non-openAPI schema files and tests

Author: achamayou

doc/members/member_rpc_api.rst

@@ -1,5 +1,7 @@
 Member RPC API
 ==============
 
+Member RPCs are exposed under ``/gov`` and require authentication with a valid member identity.
+
 .. openapi:: ../schemas/gov_openapi.json
-   :examples:
+   :examples:

doc/operators/operator_rpc_api.rst

@@ -1,5 +1,7 @@
 Operator RPC API
 ================
 
+Operator RPCs are exposed under ``/node`` and do not require authentication.
+
 .. openapi:: ../schemas/node_openapi.json
    :examples: