Fixed that delete watcher link was broken by r11290 (#13231).

Deleting a watcher now use DELETE /watchers instead of POST /watchers/destroy.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11443 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/integration/routing/watchers_test.rb

@@ -32,7 +32,7 @@ class RoutingWatchersTest < ActionController::IntegrationTest
         { :controller => 'watchers', :action => 'create' }
       )
     assert_routing(
-        { :method => 'post', :path => "/watchers/destroy" },
+        { :method => 'delete', :path => "/watchers" },
         { :controller => 'watchers', :action => 'destroy' }
       )
     assert_routing(