auth: Stop mentioning 'global' secrets in API.

appengine/components/components/auth/tokens.py

Index: appengine/components/components/auth/tokens.py
diff --git a/appengine/components/components/auth/tokens.py b/appengine/components/components/auth/tokens.py
index 2bf6d13047ce633c1f139dca95be69ce88ee2a10..2bbbe2a705566e3b8aba86a7d60a42d9a22ebdd4 100644
--- a/appengine/components/components/auth/tokens.py
+++ b/appengine/components/components/auth/tokens.py
@@ -42,7 +42,7 @@ class TokenKind(object):
     1) Define token class, configuring its expiration, name of a secret:
       class MyToken(auth.TokenKind):
         expiration_sec = 3600
-        secret_key = auth.SecretKey('my_secret', scope='local')
+        secret_key = auth.SecretKey('my_secret')
 
     2) Use it to generate a token that embeds and\or signs some data:
       token = MyToken.generate('message to authenticate', {'data': 'public'})