update installation procedure

Author: Patrick Hoffmann

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "i3owm"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["Patrick Hoffmann fightling@elektropost.org>"]
 edition = "2018"
 description = "Open Weather extension for i3status"

README.md

@@ -28,15 +28,6 @@ To install this from Rust community's crate registry, one must install Rust. The
 cargo install i3owm
 ```
 
-Then add this to your `.profile`:
-
-```bash
-# set PATH so it includes user's private ~/.cargo/bin if it exists
-if [ -d "$HOME/.cargo/bin" ] ; then
-    PATH="$HOME/.cargo/bin:$PATH"
-fi
-```
-
 ## Options
 
 ```