response.rb in saml2-1.0.1

- old
+ new

@@ -37,10 +37,9 @@
       assertion = Assertion.new
       assertion.subject = Subject.new
       assertion.subject.name_id = name_id
       assertion.subject.confirmation = Subject::Confirmation.new
       assertion.subject.confirmation.method = Subject::Confirmation::Methods::BEARER
-      assertion.subject.confirmation.not_before = Time.now.utc
       assertion.subject.confirmation.not_on_or_after = Time.now.utc + 30
       assertion.subject.confirmation.recipient = response.destination if response.destination
       assertion.issuer = issuer
       authn_statement = AuthnStatement.new
       authn_statement.authn_instant = response.issue_instant