doc: index: remove wheel references

doc/source/index.rst

@@ -93,27 +93,15 @@ From the root directory of your project, run these steps:
 		WORKDIR /app
 
 		RUN apk add py3-lxml py3-xmltodict
+		RUN pip3 install internetarchive-deriver-module
 
 		ADD main.py /app
 
-		ADD docker-bin/derivermodule-0.0.1-py3-none-any.whl /app/bin/
-		RUN pip3 install -U /app/bin/derivermodule-0.0.1-py3-none-any.whl
-
 		CMD python3 main.py
 
-2. Build a wheel from ``derivermodule`` (from the directory of
-   ``python-derivermodule``) using::
-
-		python3 setup.py bdist_wheel
-
-3. Copy the wheel to your project, in docker-bin::
-
-		mkdir docker-bin
-		cp -v /path/to/derivermodule/dist/*.whl docker-bin
-
-4. Create ``main.py``, the starting point of your module
+2. Create ``main.py``, the starting point of your module
 
-5. Build the container (pick a name other than ``example_container``)::
+3. Build the container (pick a name other than ``example_container``)::
 
        sudo docker build -t example-container .