removing reference to localhost in netcat launch.

docs/Payloads.rst

@@ -18,7 +18,7 @@ This lets you easily introspect or alter any objects in your running process.
 ::
 
     $ pyrasite <PID> pyrasite/payloads/reverse_python_shell.py
-    $ nc -l localhost 9001
+    $ nc -l 9001
     Python 2.7.1 (r271:86832, Apr 12 2011, 16:15:16)
     [GCC 4.6.0 20110331 (Red Hat 4.6.0-2)]
     Type 'quit' to exit.
@@ -62,7 +62,7 @@ Reverse Shell
 ::
 
     $ pyrasite <PID> pyrasite/payloads/reverse_shell.py
-    $ nc -l localhost 9001
+    $ nc -l 9001
     Linux tomservo 2.6.40.3-0.fc15.x86_64 #1 SMP Tue Aug 16 04:10:59 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
     Type 'quit' to exit.
     % ls