Update build.md to remove min version of Rust
As per
@@ -14,8 +14,9 @@ What's working so far?
## Requirements
-* rust 1.34+ (use [rustup]((https://www.rustup.rs/))- i.e. `curl https://sh.rustup.rs -sSf | sh; source $HOME/.cargo/env`)
- * if rust is already installed, you can simply update version with `rustup update`
+* rust: Install using rustup: https://rustup.rs
+ * Grin currently does not support a minimum version of Rust, it is recommended to build using the latest version.
+ * If rust is already installed, you can update to the latest version by running `rustup update`.
* clang
* ncurses and libs (ncurses, ncursesw5)
* zlib libs (zlib1g-dev or zlib-devel)
