Removed old suggestions file.

src/suggestions.py

-#!/usr/bin/env python
-from parser import main
-from node import ExpressionLeaf as Leaf
-from rules import rules
-
-# (node, funcptr, (args...))
-
-
-def get_node_possibilities(node):
-    """
-    Get all possible rewrite steps for this node.
-    """
-    op = node.title()
-    possibilities = []
-
-    for key, fn in rules.iteritems():
-        if op == key:
-            possibilities += fn(node)
-
-    return possibilities
-
-
-def get_possibilities(node):
-    """
-    Get all possible rewrite steps for this node and its children.
-    """
-    possibilities = get_node_possibilities(node)
-
-    if not isinstance(node, Leaf):
-        possibilities += [get_possibilities(n) for n in node]
-
-    return possibilities
-
-
-if __name__ == '__main__':
-    node = main()
-    print 'node:', node
-
-    p = get_possibilities(node)
-    print ' p: -------------'
-    print '\n'.join(p),
-    print '----------------'