uri.cpp: remove redundant Userinfo length check

The isHash variable already checks exactly this:
> bool isHash = d_ptr->m_Userinfo.size() == 40;

Change-Id: I7df6a2e2f605751e543909858e88a93a8c2158f5
Reviewed-by: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com>

src/uri.cpp

@@ -343,7 +343,7 @@ URI::ProtocolHint URI::protocolHint() const
 
       : (
          //Step two   : Check RING protocol, is has already been detected at this point
-         (d_ptr->m_HeaderType == URI::SchemeType::RING && isHash) || (isHash && d_ptr->m_Userinfo.size() == 40)
+         (d_ptr->m_HeaderType == URI::SchemeType::RING && isHash) || isHash
             ? URI::ProtocolHint::RING
 
       : (