Update espidf.py

Author: Jason2866

builder/frameworks/espidf.py

@@ -135,7 +135,6 @@ def _get_installed_standard_pip_packages():
 flag_custom_sdkonfig = False
 flag_custom_component_add = False
 flag_custom_component_remove = False
-removed_components = set()
 
 IDF5 = (
     platform.get_package_version("framework-espidf")