Remove namespace in http layer

Within this namespace, we don't need to call crow, we are already in the
crow namespace.

Tested: Code compiles.

Change-Id: Ida57624ef1157f98f2719b5c3af536aebaca601e
Signed-off-by: Ed Tanous <etanous@nvidia.com>
diff --git a/http/routing/sserule.hpp b/http/routing/sserule.hpp
index 9fb6ba3..5e9ba5e 100644
--- a/http/routing/sserule.hpp
+++ b/http/routing/sserule.hpp
@@ -54,9 +54,8 @@
     }
 
   private:
-    std::function<void(crow::sse_socket::Connection&, const crow::Request&)>
-        openHandler;
-    std::function<void(crow::sse_socket::Connection&)> closeHandler;
+    std::function<void(sse_socket::Connection&, const Request&)> openHandler;
+    std::function<void(sse_socket::Connection&)> closeHandler;
 };
 
 } // namespace crow