remove postcss preprocessor

Author: frodesundby

svelte.config.js

@@ -6,7 +6,7 @@ import path from "path";
 const config = {
 	// Consult https://github.com/sveltejs/svelte-preprocess
 	// for more information about preprocessors
-	preprocess: preprocess({ postcss: true }),
+	preprocess: preprocess(),
 
 	kit: {
 		adapter: adapter(),