doc: remove diesel example

examples/readme.md

@@ -1,50 +1,10 @@
-# Diesel
-
-This example shows how you can use itconfig with diesel.
-
-### Usage
-
-```bash
-cd examples/diesel
-
-docker-compose -p itconfig-diesel-example -f docker-compose.example.yml up -d
-
-diesel migration run
-
-cargo run --example diesel
-```
-
-# Hyper
-
-This example shows how you can use itconfig with hyper server.
-
-Example was taken from the [official hyper example].
-
-[official hyper example]: https://github.com/hyperium/hyper/blob/master/examples/web_api.rs
-
-### Usage
+# Hyper "hello world"
 
 ```bash
 cargo run --example hyper
 ```
 
-# Rocket
-
-### Installation
-
-To install a nightly version of Rust, we recommend using rustup. Install rustup
-by following the instructions on its website. Once rustup is installed,
-configure Rust nightly as your default toolchain by running the command:
-
-`rustup default nightly`
-
-If you prefer, once we setup a project directory in the following section, you
-can use per-directory overrides to use the nightly version only for your Rocket
-project by running the following command in the directory:
-
-`rustup override set nightly`
-
-### Usage
+# Rocket "hello world"
 
 ```bash
 cargo run --example roket