Revert "Correction Erreur 500"

This reverts commit daff87ab5d.

app/models/subject.rb

@@ -21,13 +21,14 @@ class Subject < ActiveRecord::Base
     statements.map(&:public_figure).flatten
   end
 
+  class << self
+
+    def latest_associated_public_figures
+      associated_public_figures.order(id: :desc).limit(5)
+    end
 
-  def latest_associated_public_figures
-      statements.map(&:public_figure).flatten.order(id: :desc).limit(5)
   end
 
-  
-
 
   def get_positions_for_public_figure(public_figure)
     #TODO performance optimization