delete dead code

Author: thomasmulvaney

pixie/vm/code.py

@@ -484,18 +484,6 @@ def invoke_with(self, args, this_fn):
     def invoke(self, args):
         return self.deref().invoke(args)
 
-class bindings(py_object):
-    def __init__(self, *args):
-        self._args = list(args)
-
-    def __enter__(self):
-        _dynamic_vars.push_binding_frame()
-        for x in range(0, len(self._args), 2):
-            self._args[x].set_value(self._args[x + 1])
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        _dynamic_vars.pop_binding_frame()
-
 
 class Refer(py_object):
     def __init__(self, ns, refer_syms=[], refer_all=False):