Adjust completion for pep517

Manually building and installing the python packages can be safely
omited from the examples.

Haven't tested.

Signed-off-by: Alfred Wingate <parona@protonmail.com>

Author: parona-source

completion/README.md

@@ -1,6 +1,6 @@
 Here are completion files for `bash`, `zsh` and `fish`
 for the use of dotdrop through the bash script `dotdrop.sh`
-or through the Python script `dotdrop` (PyPI, snap, setup.py, etc.).
+or through the Python script `dotdrop` (PyPI, snap, etc.).
 
 `bash` and `zsh` scripts are generated using
 [infi.docopt_completion](https://github.com/Infinidat/infi.docopt_completion).

completion/generate.sh

@@ -41,7 +41,7 @@ venv="/tmp/dotdrop-venv"
 ${vbin} -p python3 ${venv}
 # shellcheck source=/dev/null
 source ${venv}/bin/activate
-python setup.py install
+pip install .
 cd /tmp
 docopt-completion dotdrop --manual-zsh
 mv ./_dotdrop "${dt_zsh}"