Also remove unneeded get_all_gateway_entities() function #5351

Job	Run time
Dependency	7s
Prepare	1m 6s
Shellcheck	4s
Ruff check and force	18s
Check commit	46s
Create pytest cache for Python 3.13.0	14s
Create pytest cache for Python 3.12	9s
Run pytest using Python 3.13.0	26s
Run pytest using Python 3.12	17s
Process test coverage	18s
Run mypy	19s
Process test complexity	19s
Build and publish Python 🐍 distributions 📦 to TestPyPI	27s
	4m 50s

Provide feedback