do not return types and callbacks on docs #325

Job	Run time
static analysis (Elixir 1.15.x \| Erlang/OTP 26.x)	2m 41s
mix test windows (Elixir 1.13.x \| Erlang/OTP 22.x)	1m 53s
mix test windows (Elixir 1.13.x \| Erlang/OTP 23.x)	2m 53s
mix test windows (Elixir 1.13.x \| Erlang/OTP 24.x)	3m 12s
mix test windows (Elixir 1.13.x \| Erlang/OTP 25.x)	2m 30s
mix test windows (Elixir 1.14.x \| Erlang/OTP 23.x)	2m 51s
mix test windows (Elixir 1.14.x \| Erlang/OTP 24.x)	2m 18s
mix test windows (Elixir 1.14.x \| Erlang/OTP 25.x)	2m 50s
mix test windows (Elixir 1.14.x \| Erlang/OTP 26.x)	2m 54s
mix test windows (Elixir 1.15.x \| Erlang/OTP 24.x)	2m 21s
mix test windows (Elixir 1.15.x \| Erlang/OTP 25.x)	2m 3s
mix test windows (Elixir 1.15.x \| Erlang/OTP 26.x)	2m 11s
mix test (Elixir 1.13.x \| Erlang/OTP 22.x)	1m 5s
mix test (Elixir 1.13.x \| Erlang/OTP 23.x)	1m 12s
mix test (Elixir 1.13.x \| Erlang/OTP 24.x)	1m 8s
mix test (Elixir 1.13.x \| Erlang/OTP 25.x)	1m 34s
mix test (Elixir 1.14.x \| Erlang/OTP 23.x)	1m 29s
mix test (Elixir 1.14.x \| Erlang/OTP 24.x)	1m 7s
mix test (Elixir 1.14.x \| Erlang/OTP 25.x)	1m 35s
mix test (Elixir 1.14.x \| Erlang/OTP 26.x)	1m 9s
mix test (Elixir 1.15.x \| Erlang/OTP 24.x)	1m 1s
mix test (Elixir 1.15.x \| Erlang/OTP 25.x)	1m 30s
mix test (Elixir 1.15.x \| Erlang/OTP 26.x)	1m 15s
	44m 42s

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