fix: remove temp config files in startup

whoops

src/wuttjamaican/conf.py

@@ -279,6 +279,7 @@ class WuttaConfig:
         config = configuration.config_from_ini(temp_path, read_from_file=True)
         configs.append(config)
         self.files_read.append(path)
+        os.remove(temp_path)
 
         # bring in any "required" files
         requires = config.get(f'{self.appname}.config.require')