Update setup.py, no longer requires README.md for long description

1 job for master in 1 second (queued for 2 seconds)
Name Stage Failure
failed
prod Deploy
$ echo "pipeline started"
pipeline started
$ cp -r ckanext-theme_hft/* /usr/lib/ckan/default/src/ckanext-theme_hft/
$ source /usr/lib/ckan/default/bin/activate
$ cd /usr/lib/ckan/default/src/ckanext-theme_hft
$ python setup.py develop
error in ckanext-theme_hft setup command: Distribution contains no modules or packages for namespace package 'ckanext'
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1