Remove unused show_smart option on list and info commands

Change-Id: Idf0e161a0b0cc23a5a3ee44d18cb797162cfdd7b
diff --git a/subcmds/list.py b/subcmds/list.py
index a335824..945c28d 100644
--- a/subcmds/list.py
+++ b/subcmds/list.py
@@ -31,7 +31,7 @@
 This is similar to running: repo forall -c 'echo "$REPO_PATH : $REPO_PROJECT"'.
 """
 
-  def _Options(self, p, show_smart=True):
+  def _Options(self, p):
     p.add_option('-r', '--regex',
                  dest='regex', action='store_true',
                  help="Filter the project list based on regex or wildcard matching of strings")