Remove unavailable custom action, and install editable #1

Job	Run time
run_speed_tests (3.9, ubuntu-24.04)	15s
run_speed_tests (3.13, ubuntu-24.04)	16s
run_speed_tests (3.9, windows-latest)	32s
run_speed_tests (3.13, windows-latest)	41s
	1m 44s

Provide feedback