Merge branch 'feature/esptool_package' into 'master'

esptool: Include esptool as a Python package instead of using it as a submodule

Closes IDF-4785

See merge request espressif/esp-idf!17639

.gitlab/ci/assign-test.yml

@@ -3,8 +3,6 @@
   stage: assign_test
   tags:
     - assign_test
-  variables:
-    SUBMODULES_TO_FETCH: components/esptool_py/esptool
   artifacts:
     paths:
       - ${TEST_DIR}/test_configs

.gitlab/ci/target-test.yml

@@ -268,7 +268,6 @@ test_app_test_pytest_esp32s2_usb_host:
     TEST_FW_PATH: "$CI_PROJECT_DIR/tools/tiny-test-fw"
     LOG_PATH: "$CI_PROJECT_DIR/TEST_LOGS"
     ENV_FILE: "$CI_PROJECT_DIR/ci-test-runner-configs/$CI_RUNNER_DESCRIPTION/EnvConfig.yml"
-    SUBMODULES_TO_FETCH: "components/esptool_py/esptool"
   script:
     - *define_config_file_name
     # first test if config file exists, if not exist, exit 0