Update some phpdocs, courtesy of Psalm.

app/Http/Controllers/Admin/LinkController.php

@@ -90,7 +90,7 @@ class LinkController extends Controller
      * @param Request  $request
      * @param LinkType $linkType
      *
-     * @return RedirectResponse|Redirector|View
+     * @return Factory|RedirectResponse|Redirector|\Illuminate\View\View
      */
     public function delete(Request $request, LinkType $linkType)
     {

app/Http/Controllers/Admin/TelemetryController.php

@@ -55,7 +55,7 @@ class TelemetryController extends Controller
     }
 
     /**
-     * @return string
+     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function deleteSubmitted()
     {
@@ -67,7 +67,7 @@ class TelemetryController extends Controller
     }
 
     /**
-     * @return string
+     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function deleteAll()
     {