Immediately(ish) remove temporary config files created for ad hoc servers

They're annoying. :)

README.rst

@@ -180,12 +180,10 @@ Which is a short-hand for::
   connection = db.open()
 
 If you exit the Python process, the storage exits as well, as it's run
-in an in-process thread.  It will leave behind it's configuration and
-log file.  This provides a handy way to get a configuration example.
+in an in-process thread.
 
 You shut down the server more cleanly by calling the stop function
-returned by the ``ZEO.server`` function.  This will remove the
-temporary configuration file.
+returned by the ``ZEO.server`` function.
 
 To have data stored persistently, you can specify a file-storage path
 name using a ``path`` parameter.  If you want blob support, you can

src/ZEO/tests/forker.py

@@ -139,6 +139,7 @@ def runner(config, qin, qout, timeout=None,
             )
         thread.setDaemon(True)
         thread.start()
+        os.remove(config)
 
         try:
             qin.get(timeout=timeout) # wait for shutdown
@@ -181,7 +182,6 @@ def stop_runner(thread, config, qin, qout, stop_timeout=9, pid=None):
             gc.collect()
 
     thread.join(stop_timeout)
-    os.remove(config)
 
 def start_zeo_server(storage_conf=None, zeo_conf=None, port=None, keep=False,
                      path='Data.fs', protocol=None, blob_dir=None,