fix: Remove duplicated doc links and improved some descriptions (#1167)

packages/core/Cargo.toml

@@ -7,12 +7,8 @@ description = "Core functionality for Dioxus - a concurrent renderer-agnostic Vi
 license = "MIT/Apache-2.0"
 repository = "https://github.com/DioxusLabs/dioxus/"
 homepage = "https://dioxuslabs.com"
-documentation = "https://dioxuslabs.com"
 keywords = ["dom", "ui", "gui", "react"]
 
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 # Bumpalo is used as a micro heap backing each component
 bumpalo = { version = "3.6", features = ["collections", "boxed"] }