libstore: remove unused RemoteStore::Connection::closeWrite

Change-Id: I4a25807ad870c4704b8efa70e5652206ae654995

lix/libstore/remote-store-connection.hh

@@ -91,8 +91,6 @@ struct RemoteStore::Connection
 
     virtual ~Connection();
 
-    virtual void closeWrite() = 0;
-
     std::exception_ptr processStderr(bool flush = true);
 };
 

lix/libstore/ssh-store.cc

@@ -69,11 +69,6 @@ protected:
     struct Connection : RemoteStore::Connection
     {
         std::unique_ptr<SSH::Connection> sshConn;
-
-        void closeWrite() override
-        {
-            sshConn->in.close();
-        }
     };
 
     ref<RemoteStore::Connection> openConnection() override;

lix/libstore/uds-remote-store.cc

@@ -50,13 +50,6 @@ std::string UDSRemoteStore::getUri()
     }
 }
 
-
-void UDSRemoteStore::Connection::closeWrite()
-{
-    shutdown(fd.get(), SHUT_WR);
-}
-
-
 ref<RemoteStore::Connection> UDSRemoteStore::openConnection()
 {
     auto conn = make_ref<Connection>();

lix/libstore/uds-remote-store.hh

@@ -60,7 +60,6 @@ private:
     struct Connection : RemoteStore::Connection
     {
         AutoCloseFD fd;
-        void closeWrite() override;
     };
 
     ref<RemoteStore::Connection> openConnection() override;