remove useless string.format(s)

lua/dep.lua

@@ -57,7 +57,7 @@ function M.clean()
     packager.get_base_dir(),
     vim.schedule_wrap(function(err, handle)
       if err then
-        logger:log("error", string.format("failed to clean; reason: %s", err))
+        logger:log("error", "failed to clean; reason: %s", err)
       else
         local queue = {}
 
@@ -79,9 +79,9 @@ function M.clean()
           local co = coroutine.create(function()
             local ok = vim.fn.delete(dir, "rf")
             if ok then
-              logger:log("clean", string.format("deleted %s", name))
+              logger:log("clean", "deleted %s", name)
             else
-              logger:log("error", string.format("failed to delete %s", name))
+              logger:log("error", "failed to delete %s", name)
             end
           end)
           coroutine.resume(co)