update readme

Author: Tobias Kaupat

README.md

@@ -12,34 +12,5 @@ The runtime dependency for you FreeRTOS Rust application will be [freertos-rust]
 
 To get started there are examples in [freertos-rust-examples](freertos-rust-examples/README.md)
 
-## Checkout
-
-Including submodule:
-
-     git clone https://github.com/lobaro/FreeRTOS-rust.git --recurse-submodules
-
-### Update Submodules
-
-After cloning without `--recurse-submodules` the submodules must be loaded
-
-    git submodule update --init --recursive
-
-## Requirements
-
-* [LLVM](https://releases.llvm.org/download.html) to build C Code
-* or [LLVM Windows Snapshot](http://llvm.org/builds/)
-
-**Issues:**
-
-* llvm-config is missing on windows
-
-
-### Generate C Bindings
-
-C-Bindings are based on `src/bindings.h` and generated with [bindgen](https://github.com/rust-lang/rust-bindgen)
-
-`bindgen` is executed during build in `build.rs`.
-
-