Fix compilation errors

Author: fschutt

src/html.rs

@@ -1,5 +1,4 @@
 use crate::{BuiltinFont, Mm, Op, PdfDocument, PdfPage, PdfResources, Pt};
-use crate::{BuiltinFont, Mm, Op, PdfDocument, PdfPage, PdfResources, Pt};
 use azul_core::{
     app_resources::{
         DpiScaleFactor, Epoch, IdNamespace, ImageCache, 

src/serialize.rs

@@ -41,8 +41,7 @@ pub struct PdfSaveOptions {
 impl Default for PdfSaveOptions {
     fn default() -> Self {
         Self {
-            #[cfg(debug_assertions)]
-            optimize: std::cfg!(not(debug_assertions)),
+            optimize: true,
             subset_fonts: true,
         }
     }