remove Security Groups from index.html
remove Security Groups from index.html

cwest/docs-book-cloudfoundry,swisscom/docs-appcloud-book,swisscom/docs-appcloud-book,cloudfoundry/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,swisscom/docs-appcloud-book,Frazer-Anderson/test,shalako/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,swisscom/docs-appcloud-book,cloudfoundry/docs-book-cloudfoundry,Frazer-Anderson/test,Frazer-Anderson/test