libsaria: Remove unused libsaria.path code

I eventually want to get rid of this directory, so removing this code
helps.

libsaria/path/__init__.py

@@ -46,24 +46,6 @@ def saria_dir_rest():
 	return s_dir
 saria_dir = saria_dir_once
 
-
-def plugin_dir_once():
-	global p_dir
-	global saria_dir
-	saria = saria_dir()
-	dir = "plugins"
-	if libsaria.__dev__ == True:
-		dir += "-dev"
-	p_dir = join(saria, dir)
-	if exists(p_dir) == False:
-		mkdir(p_dir)
-	plugin_dir = plugin_dir_rest
-	return p_dir
-def plugin_dir_rest():
-	global p_dir
-	return p_dir
-plugin_dir = plugin_dir_once
-
 def cp_once(src, dest):
 	global cp
 	global shutil
@@ -75,19 +57,3 @@ cp = cp_once
 def mkdir(path):
 	if not exists(path):
 		makedir(path)
-
-def make_tree_once(path):
-	global FSTree
-	from libsaria.trees import FSTree
-	global make_tree
-	make_tree = make_tree_rest
-	return make_tree(path)
-def make_tree_rest(path):
-	global FSTree
-	tree = FSTree()
-	for root,dirs,files in walk(path):
-		split = root.split(sep)
-		for file in files:
-			tree.insert_path_split(split, file)
-	return tree
-make_tree = make_tree_once