fix:cleanup code

Author: baldwinboy

src/draftail_text_utils/wagtail_hooks.py

@@ -22,16 +22,13 @@
     load_font_urls,
 )
 from draftail_text_utils.rich_text import (
+    font_family,
     font_size,
     highlight_color,
     text_alignment,
     text_color,
 )
 
-from .rich_text import (
-    font_family,
-)
-
 
 @hooks.register("register_icons")
 def register_icons(icons):