ABI: Don't override docs.rs link for documentation

Author: mkroening

hermit-abi/Cargo.toml

@@ -12,7 +12,6 @@ It is used to build the target `x86_64-unknown-hermit`.
 repository = "https://github.com/hermitcore/rusty-hermit"
 keywords = ["unikernel", "libos"]
 categories = ["os"]
-documentation = "https://hermitcore.github.io/rusty-hermit/hermit_abi"
 
 [dependencies]
 core = { version = "1.0.0", optional = true, package = "rustc-std-workspace-core" }