front: drop PathStep.ch #15505

Job	Run time
Build (core-build, core)	24s
Check dockerfiles	10s
Check generated railjson sync	28s
Build (editoast, editoast-test)	24s
Build (gateway-test, gateway-standalone, gateway-front)	2m 14s
Build (front-build, front-tests, front-devel, front-nginx)	2m 17s
Check commits	10s
Build (osrdyne, osrdyne-test)	14s
Check scripts	5s
Check integration tests	1m 29s
Check final newline	8s
Check railjson generator	1m 52s
Check osrd schema	41s
Check toml	5s
Check reuse compliance	12s
Check infra schema sync	16s
Check front rtk sync	1m 15s
Check editoast lints	9m 0s
Check editoast openapi	45s
Check core	4m 1s
Check editoast tests	6m 35s
Check gateway	3m 25s
Check front	3m 14s
Check osrdyne	3m 47s
End to end tests	12m 17s
Integration tests	1m 7s
	56m 35s

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