network: removed the unused network-wide latency param

src/mem/ruby/network/Network.cc

@@ -36,7 +36,6 @@ Network::Network(const Params *p)
 {
     m_virtual_networks = p->number_of_virtual_networks;
     m_topology_ptr = p->topology;
-    m_link_latency = p->link_latency;
     m_control_msg_size = p->control_msg_size;
 
     // Total nodes/controllers in network

src/mem/ruby/network/Network.hh

@@ -67,7 +67,6 @@ class Network : public SimObject
     virtual void init();
 
     int getNumberOfVirtualNetworks() { return m_virtual_networks; }
-    int getLinkLatency() { return m_link_latency; }
     int MessageSizeType_to_int(MessageSizeType size_type);
 
     // returns the queue requested for the given component
@@ -108,7 +107,6 @@ class Network : public SimObject
     int m_nodes;
     int m_virtual_networks;
     Topology* m_topology_ptr;
-    int m_link_latency;
     int m_control_msg_size;
     int m_data_msg_size;
 };

src/mem/ruby/network/Network.py

@@ -47,6 +47,4 @@ class RubyNetwork(SimObject):
     abstract = True
     number_of_virtual_networks = Param.Int(10, "");
     topology = Param.Topology("");
-    link_latency = Param.Int(1,
-        "local memory latency ?? NetworkLinkLatency");
     control_msg_size = Param.Int(8, "");