build(examples): clean more output #1824

Job	Run time
get-leptos-changed / Detect Source Change	5s
CI (leptos) / Run ci (nightly-2024-01-29)	42m 2s
CI (integrations/actix) / Run ci (nightly-2024-01-29)	12m 22s
CI (integrations/axum) / Run ci (nightly-2024-01-29)	12m 24s
CI (integrations/utils) / Run ci (nightly-2024-01-29)	11m 25s
CI (leptos_config) / Run ci (nightly-2024-01-29)	11m 2s
CI (leptos_dom) / Run ci (nightly-2024-01-29)	15m 52s
CI (leptos_hot_reload) / Run ci (nightly-2024-01-29)	10m 46s
CI (leptos_macro) / Run ci (nightly-2024-01-29)	23m 54s
CI (leptos_reactive) / Run ci (nightly-2024-01-29)	39m 59s
CI (leptos_server) / Run ci (nightly-2024-01-29)	17m 9s
CI (meta) / Run ci (nightly-2024-01-29)	12m 3s
CI (router) / Run ci (nightly-2024-01-29)	12m 49s
CI (server_fn) / Run ci (nightly-2024-01-29)	23m 58s
CI (server_fn_macro) / Run ci (nightly-2024-01-29)	11m 43s
CI (server_fn/server_fn_macro_default) / Run ci (nightly-2024-01-29)	11m 35s
	4h 29m 8s

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