Refactor symbol types

lua/outline/providers/init.lua

@@ -1,5 +1,3 @@
-local cfg = require('outline.config')
-
 local M = {}
 local import_prefix = 'outline/providers/'
 
@@ -8,7 +6,7 @@ function M.find_provider()
   if not M.providers then
     M.providers = vim.tbl_map(function(p)
       return import_prefix .. p
-    end, cfg.get_providers())
+    end, require('outline.config').get_providers())
   end
   for _, path in ipairs(M.providers) do
     local provider = require(path)