Remove unnecessary returns from builtin filters since render/return is now sufficient. Closes #9952 [Josh Peek]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8009 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/filters.rb

@@ -761,7 +761,6 @@ module ActionController #:nodoc:
       def halt_filter_chain(filter, reason)
         @before_filter_chain_aborted = true
         logger.info "Filter chain halted as [#{filter.inspect}] #{reason}." if logger
-        false
       end
     end
   end

actionpack/lib/action_controller/http_authentication.rb

@@ -93,9 +93,7 @@ module ActionController
       end
 
       def authenticate(controller, &login_procedure)
-        if authorization(controller.request).blank?
-          false
-        else
+        unless authorization(controller.request).blank?
           login_procedure.call(*user_name_and_password(controller.request))
         end
       end
@@ -122,7 +120,6 @@ module ActionController
       def authentication_request(controller, realm)
         controller.headers["WWW-Authenticate"] = %(Basic realm="#{realm.gsub(/"/, "")}")
         controller.send! :render, :text => "HTTP Basic: Access denied.\n", :status => :unauthorized
-        return false
       end
     end
   end

actionpack/lib/action_controller/verification.rb

@@ -98,10 +98,7 @@ module ActionController #:nodoc:
           options[:redirect_to] = self.send!(options[:redirect_to]) if options[:redirect_to].is_a? Symbol
           redirect_to(options[:redirect_to]) if options[:redirect_to]
         end
-        return false
       end
-
-      true
     end
     private :verify_action
   end

actionpack/test/controller/flash_test.rb

@@ -70,7 +70,6 @@ class FlashTest < Test::Unit::TestCase
       flash["foo"] = "bar"
       redirect_to :action => "std_action"
       @flash_copy = {}.update(flash)
-      false
     end
   end