Remove backslash to \Models before add namespace that already has \ a…

…t the end.

Fix to DarkGhostHunter#21

src/Migrator/Pipes/FindModelsWithSettings.php

@@ -86,6 +86,7 @@ protected function findModelsWithSettings(): Generator
                 ->ltrim('app\\')
                 ->rtrim('.php')
                 ->replace(DIRECTORY_SEPARATOR, '\\')
+                ->ltrim('\\')
                 ->start('\\'.$namespace);
 
             try {
@@ -114,4 +115,4 @@ protected function findModelsWithSettings(): Generator
             yield new $className;
         }
     }
-}
+}