[DOCS][Robotics] remove prompt indicator $ (#2390) - repeat #240

Job	Run time
Build (AMR) / Checking for changes	14s
Build (AMR) / ITS Planner / [its-planner] License Check	13s
Build (AMR) / Fast Mapping / [fast-mapping] License Check	15s
Build (AMR) / Collaborative SLAM / [collaborative-slam] License Check	12s
Build (AMR) / ADBSCAN / [adbscan] License Check	7s
Build (AMR) / Object Detection / [object-detection] License Check	11s
Build (AMR) / Fast Mapping / [fast-mapping] Lint	1m 23s
Build (AMR) / Groundfloor / [groundfloor] Lint	1m 17s
Build (AMR) / Multi-Camera Demo / [multicam-demo] License Check	8s
Build (AMR) / Simulations / [simulations] License Check	8s
Build (AMR) / Groundfloor / [groundfloor] License Check	11s
Build (AMR) / Wandering / [wandering] License Check	7s
Build (AMR) / Multi-Camera Demo / [multicam-demo] Lint	1m 11s
Build (AMR) / Fast Mapping / [fast-mapping] Build & Test (jazzy)	4m 1s
Build (AMR) / Fast Mapping / [fast-mapping] Build & Test (humble)	3m 39s
Build (AMR) / Fast Mapping / [fast-mapping] Build Package (jazzy)	4m 22s
Build (AMR) / Fast Mapping / [fast-mapping] Build Package (humble)	4m 0s
Build (AMR) / Fast Mapping / [fast-mapping] E2E tests (jazzy)	2m 15s
Build (AMR) / Fast Mapping / [fast-mapping] E2E tests (humble)	2m 15s
	26m 9s

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