Remove „textile“ from error messages

modules/my_project_page/app/controllers/my_projects_overviews_controller.rb

@@ -54,7 +54,7 @@ class MyProjectsOverviewsController < ApplicationController
                        block_name: block_name,
                        textile: textile })
     else
-      render plain: t(:error_textile_not_saved), status: 400
+      render plain: t(:error_block_not_saved), status: 400
     end
   end
 

modules/my_project_page/config/locales/en.yml

@@ -20,8 +20,8 @@
 
 en:
   button_edit_this_page: "Edit this page"
+  error_block_not_saved: "The text block could not be saved."
   error_saving_changes: "The changes could not be saved: %{errors}"
-  error_textile_not_saved: "The textile block could not be saved."
   label_hidden_elements: "Hidden elements"
   label_visible_elements: "Visible elements"
   label_project_description: "Project description"