base: remove path parameter

Now that trace-cmd is done in the Run class, the trace classes don't
need the path, so nuke it.
diff --git a/cr2/dynamic.py b/cr2/dynamic.py
index 52f4d5d..3f1e028 100644
--- a/cr2/dynamic.py
+++ b/cr2/dynamic.py
@@ -23,13 +23,12 @@
 from cr2.run import Run
 
 
-def default_init(self, path=None):
+def default_init(self):
     """Default Constructor for the
        Dynamic MetaClass
     """
 
     super(type(self), self).__init__(
-        basepath=path,
         unique_word=self.unique_word,
     )