[Extra null pointer checks are not needed in functions](https://isocpp.org/wiki/faq/freestore-mgmt#delete-handles-null "Do I need to check for null before delete p?") like the following. - [RainFile](https://github.com/cern-eos/eos/blob/2492e17b75714d91a8e7f797b107cd228c0d538a/fst/xrdcl_plugins/RainFile.cc#L55-L61 "Destructor for RainFile") - [S3Handler::HandleRequest](https://github.com/cern-eos/eos/blob/2492e17b75714d91a8e7f797b107cd228c0d538a/fst/http/s3/S3Handler.cc#L135-L138 "S3Handler::HandleRequest function") - [utils::DeleteXrdSfsPrep](https://github.com/cern-eos/eos/blob/2492e17b75714d91a8e7f797b107cd228c0d538a/auth_plugin/ProtoUtils.cc#L258-L264 "utils::DeleteXrdSfsPrep function")
