migrate snippets:* to static bundle

app/assets/javascripts/dispatcher.js

@@ -80,26 +80,6 @@ var Dispatcher;
             .then(callDefault)
             .catch(fail);
           break;
-        case 'snippets:new':
-          import('./pages/snippets/new')
-            .then(callDefault)
-            .catch(fail);
-          break;
-        case 'snippets:edit':
-          import('./pages/snippets/edit')
-            .then(callDefault)
-            .catch(fail);
-          break;
-        case 'snippets:create':
-          import('./pages/snippets/new')
-            .then(callDefault)
-            .catch(fail);
-          break;
-        case 'snippets:update':
-          import('./pages/snippets/edit')
-            .then(callDefault)
-            .catch(fail);
-          break;
         case 'projects:releases:edit':
           import('./pages/projects/releases/edit')
             .then(callDefault)

app/assets/javascripts/pages/snippets/edit/index.js

 import form from '../form';
 
-export default form;
+document.addEventListener('DOMContentLoaded', form);

app/assets/javascripts/pages/snippets/new/index.js

 import form from '../form';
 
-export default form;
+document.addEventListener('DOMContentLoaded', form);