Remove docu build from README

As we deploy documentation through GithubPages this could be confusing

Signed-off-by: Niklas Spielbauer <[email protected]>

README.md

@@ -9,18 +9,6 @@ This is a [Behavior Tree](https://en.wikipedia.org/wiki/Behavior_tree_(artificia
 
 It includes a ReactJS-based web GUI and all the building blocks you need to build moderately advanced mission control Behavior Trees without writing a single line of code!
 
-## Documentation
-
-The main documentation effort is found in the `doc`folder.
-Simply execute the following commands in your shell to get browsable HTML documentation, including some tutorials:
-
-```bash
-$ cd ros_bt_py/doc
-$ make html
-$ cd build
-$ python -m http.server & xdg-open http://localhost:8000/html
-```
-
 ## Installation
 
 To actually start using ros_bt_py, you need to install its dependencies first: