[librsvg] Remove unused RsvgState.styles field - the hash table is in Rust now

[Federico Mena Quintero <federico src gnome org>]

commit 1dffbb7758ba36c306a44b2440d4ef1f6c17e8c7
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Apr 27 09:18:08 2018 -0500

    Remove unused RsvgState.styles field - the hash table is in Rust now

 librsvg/rsvg-styles.h | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/librsvg/rsvg-styles.h b/librsvg/rsvg-styles.h
index a418ecfb..d2b34b37 100644
--- a/librsvg/rsvg-styles.h
+++ b/librsvg/rsvg-styles.h
@@ -54,8 +54,6 @@ struct _RsvgState {
     RsvgOpacitySpec stop_opacity;
     gboolean has_stop_opacity;
 
-    GHashTable *styles;
-
     State *state_rust;
 };