removed redondant savechanges

.idea/.idea.luticate2/.idea/contentModel.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RiderRiderContentModelStore">
+    <excludedPaths />
+  </component>
+</project>

Luticate2.Utils/DataAccess/LuEfCrudDataAccess.cs

             {
                 var model = GetEditQueryable(db, table).FirstOrDefault(GetExpression(new KeyValuePair<string, object>("id", guid)));
                 EditModelFromTUpdate(update, model);
-                db.SaveChanges();
                 var res = _EditSingleById(model, update, db, table);
                 if (!res)
                 {