tidy up workspace

Signed-off-by: xermicus <cyrill@parity.io>

crates/lld-sys/Cargo.toml

@@ -1,11 +1,12 @@
 [package]
 name = "lld-sys"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+license.workspace = true
+edition.workspace = true
+repository.workspace = true
+authors.workspace = true
 build = "build.rs"
-
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+description = "bindings for ld.lld core"
 
 [dependencies]
 libc = { workspace = true }