removed doubled function ; return object instead of array with one element

backend/helpers/database.js

@@ -52,7 +52,7 @@ module.exports = {
     });
   },
 
-  loadSkill: function (skillDbID) {
+  getSkill: function (skillDbID) {
     return new Promise ((resolve, reject) => {
       db
         .collection ('skill_list')
@@ -92,20 +92,5 @@ module.exports = {
           }
         });
     });
-  },
-
-  getSkill: function (id) {
-    return new Promise ((resolve, reject) => {
-      db
-        .collection ('skill_list')
-        .find ({_id: ObjectID (id)})
-        .toArray ((err, result) => {
-          if (err) {
-            reject (err);
-          }else{
-            resolve (result);
-          }
-        });
-    });
-  },
+  }
 };