Remove forum references

_config.yml

@@ -22,9 +22,6 @@ project: spring-security
 # Project github URL
 github_repo_url: http://github.com/spring-projects/spring-security
 
-# Project forum URL
-forum: http://forum.spring.io/forum/spring-projects/security
-
 ## Custom properties
 guides_base_url: http://docs.spring.io/spring-security/site/docs/3.2.x/guides
 

index.html

@@ -21,10 +21,6 @@ badges:
       url:  https://build.springsource.org/browse/SEC
       icon: ci
 
-    - name: Forum
-      url:  http://forum.spring.io/forum/spring-projects/security
-      icon: forum
-
     - name: StackOverflow
       url:  http://stackoverflow.com/questions/tagged/spring-security
       icon: stackoverflow