docs: Fix broken documentation links for pallets (#13241)

Fixes broken links to `Config` and `Call`, for READMEs the link has
been fixed by adding the missing "/pallet" path, and for rust docs we
let the compiler figure out the type's link by itself

Signed-off-by: Jonathas-Conceicao <jonathasaoc@gmail.com>

substrate/frame/sudo/README.md

@@ -1,7 +1,7 @@
 # Sudo Module
 
-- [`sudo::Config`](https://docs.rs/pallet-sudo/latest/pallet_sudo/trait.Config.html)
-- [`Call`](https://docs.rs/pallet-sudo/latest/pallet_sudo/enum.Call.html)
+- [`Config`](https://docs.rs/pallet-sudo/latest/pallet_sudo/pallet/trait.Config.html)
+- [`Call`](https://docs.rs/pallet-sudo/latest/pallet_sudo/pallet/enum.Call.html)
 
 ## Overview