Remove boilerplate for restaurant finder example, as it is moving to a2ui, to be closer to the agent. #5515

Job	Run time
copyright	27s
matrix	8s
packages_genui_a2a (stable)	1m 38s
packages_genai_primitives (beta)	57s
packages_a2ui_core (stable)	1m 14s
packages_a2ui_core (beta)	1m 17s
packages_genui_a2a (beta)	2m 2s
examples_verdure_client (beta)	1m 36s
packages_genui (beta)	2m 3s
examples_verdure_client (stable)	1m 41s
examples_composer (beta)	1m 41s
packages_json_schema_builder (beta)	1m 14s
examples_simple_chat (beta)	1m 30s
packages_genai_primitives (stable)	1m 9s
examples_composer (stable)	2m 3s
packages_genui (stable)	1m 56s
examples_catalog_gallery (beta)	1m 37s
packages_json_schema_builder (stable)	1m 7s
tool_release (stable)	1m 21s
examples_travel_app (beta)	1m 45s
tool_release (beta)	1m 15s
tool_test_and_fix (stable)	1m 12s
examples_travel_app (stable)	1m 49s
examples_simple_chat (stable)	1m 41s
examples_catalog_gallery (stable)	1m 35s
tool_fix_copyright (beta)	1m 14s
tool_test_and_fix (beta)	1m 13s
tool_fix_copyright (stable)	1m 5s
	39m 30s

Provide feedback