Cleaned up "filename" configuration option from TCP. (Only available for Stdout)

adapter-tcp/src/main/java/io/nosqlbench/adapter/tcpclient/TcpClientAdapterSpace.java

@@ -82,10 +82,6 @@ public class TcpClientAdapterSpace {
                 Param.defaultTo("port",12345)
                     .setDescription("the designated port to connect to on the socket")
             )
-            .add(
-                Param.defaultTo("filename","tcpclient")
-                    .setDescription("this is the name of the output file. If 'stdout', output is sent to tcpclient, not a file.")
-            )
             .add(
                 Param.defaultTo("newline",true)
                     .setDescription("whether to automatically add a missing newline to the end of any output\n")

adapter-tcp/src/main/java/io/nosqlbench/adapter/tcpserver/TcpServerAdapterSpace.java

@@ -138,10 +138,6 @@ public class TcpServerAdapterSpace implements AutoCloseable{
                 Param.defaultTo("port",12345)
                     .setDescription("the designated port to connect to on the socket")
             )
-            .add(
-                Param.defaultTo("filename","tcpserver")
-                    .setDescription("this is the name of the output file. If 'stdout', output is sent to tcpserver, not a file.")
-            )
             .add(
                 Param.defaultTo("newline",true)
                     .setDescription("whether to automatically add a missing newline to the end of any output\n")