Move --webroot-path processing into cli.py

Since it is now interdependent with --domains

(This is much more elegant than trying to APIify the interaction)

letsencrypt/plugins/webroot.py

@@ -54,22 +54,7 @@ from letsencrypt.plugins import common
 
 logger = logging.getLogger(__name__)
 
-class WebrootPathProcessor(argparse.Action):
-    def __call__(self, parser, config, webroot, option_string=None):
-        """
-        Keep a record of --webroot-path / -w flags during processing, so that
-        we know which apply to which -d flags
-        """
-        if not config.webroot_path:
-            config.webroot_path = []
-            # if any --domain flags preceded the first --webroot-path flag,
-            # apply that webroot path to those; subsequent entries in
-            # config.webroot_map are filled in by cli.DomainFlagProcessor
-            if config.domains:
-                config.webroot_map = dict([(d, webroot) for d in config.domains])
-            else:
-                config.webroot_map = {}
-        config.webroot_path.append(webroot)
+
 
 class Authenticator(common.Plugin):
     """Webroot Authenticator."""
@@ -89,7 +74,7 @@ to serve all files under specified web root ({0})."""
 
     @classmethod
     def add_parser_arguments(cls, add):
-        add("path", "-w", help="public_html / webroot path", action=WebrootPathAccumulator)
+        pass
 
     def get_chall_pref(self, domain):  # pragma: no cover
         # pylint: disable=missing-docstring,no-self-use,unused-argument