Network protocol: Remove odata.context

Redfish made odata.context optional (1.6.0 of DSP0266) and
has removed odata.context from example payloads in the
specification (1.7.0 of DSP0266), removed it from the mockups,
and Redfish recommended not using.

Change-Id: I1c4db167ba90f46e2b0ab1c1973d3323e233322a
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/redfish-core/lib/network_protocol.hpp b/redfish-core/lib/network_protocol.hpp
index 2850683..340fd67 100644
--- a/redfish-core/lib/network_protocol.hpp
+++ b/redfish-core/lib/network_protocol.hpp
@@ -193,9 +193,6 @@
             "#ManagerNetworkProtocol.v1_4_0.ManagerNetworkProtocol";
         asyncResp->res.jsonValue["@odata.id"] =
             "/redfish/v1/Managers/bmc/NetworkProtocol";
-        asyncResp->res.jsonValue["@odata.context"] =
-            "/redfish/v1/"
-            "$metadata#ManagerNetworkProtocol.ManagerNetworkProtocol";
         asyncResp->res.jsonValue["Id"] = "NetworkProtocol";
         asyncResp->res.jsonValue["Name"] = "Manager Network Protocol";
         asyncResp->res.jsonValue["Description"] = "Manager Network Service";