revert search by ref code

Author: gondzo

src/routes/projects/list.js

@@ -121,23 +121,6 @@ const parseElasticSearchCriteria = (criteria, fields, order) => {
               fields: ['name^3', 'description', 'type'], // boost name field
             },
           },
-          {
-            nested: {
-              path: 'details',
-              query: {
-                nested: {
-                  path: 'details.utm',
-                  query: {
-                    query_string: {
-                      query: `*${keyword}*`,
-                      analyze_wildcard: true,
-                      fields: ['details.utm.code'],
-                    },
-                  },
-                },
-              },
-            },
-          },
           {
             nested: {
               path: 'members',