Update to 3.5.2 and .net core 2.1

MediaBrowser.Controller/Providers/RemoteSearchQuery.cs

@@ -1,19 +0,0 @@
-namespace MediaBrowser.Controller.Providers
-{
-    public class RemoteSearchQuery<T>
-        where T : ItemLookupInfo
-    {
-        public T SearchInfo { get; set; }
-
-        /// <summary>
-        /// If set will only search within the given provider
-        /// </summary>
-        public string SearchProviderName { get; set; }
-
-        /// <summary>
-        /// Gets or sets a value indicating whether [include disabled providers].
-        /// </summary>
-        /// <value><c>true</c> if [include disabled providers]; otherwise, <c>false</c>.</value>
-        public bool IncludeDisabledProviders { get; set; }
-    }
-}