Remove buggy -v flag from README.md docker run

Closes #1270

Will describe in FAQ how to keep state.

Author: nhooyr

README.md

@@ -6,7 +6,7 @@ remote server, accessible through the browser.
 Try it out:
 
 ```bash
-docker run -it -p 127.0.0.1:8080:8080 -v "${HOME}/.local/share/code-server:/home/coder/.local/share/code-server" -v "$PWD:/home/coder/project" codercom/code-server:v2
+docker run -it -p 127.0.0.1:8080:8080 -v "$PWD:/home/coder/project" codercom/code-server
 ```
 
 - **Consistent environment:** Code on your Chromebook, tablet, and laptop with a