Make main pre-commit clean again

One of my commits merged while pre-commit was in review has broken
this. Sorry!

init.lua

@@ -22,11 +22,10 @@ end
 
 local config = utils.user_settings()
 
-
 if type(config.polish) == "function" then
   config.polish()
 else
-  error("The polish value in your user configuration must be a function")
+  error "The polish value in your user configuration must be a function"
 end
 
 -- keep this last:

lua/core/defaults.lua

@@ -33,7 +33,7 @@ local config = {
   --
   -- This function takes no input and AstroVim does not expect it to
   -- return anything either.
-  polish = function() end
+  polish = function() end,
 }
 
 return config