Annotation window color is not sensitive to theme

The annotation window color should be the
annotation color and the system should not change
it.

https://bugzilla.gnome.org/show_bug.cgi?id=732211

Also removing a redundant set_border_width (the
same method is called again 7 lines below).

libview/ev-annotation-window.c

@@ -377,13 +377,11 @@ ev_annotation_window_init (EvAnnotationWindow *window)
 	gtk_widget_show (hbox);
 
 	gtk_container_add (GTK_CONTAINER (window), vbox);
-	gtk_container_set_border_width (GTK_CONTAINER (window), 0);
 	gtk_widget_show (vbox);
 
 	gtk_widget_add_events (GTK_WIDGET (window),
 			       GDK_BUTTON_PRESS_MASK |
 			       GDK_KEY_PRESS_MASK);
-	gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
 
 	gtk_container_set_border_width (GTK_CONTAINER (window), 2);