composer

Enter following commands to install/uninstall module:

cd MAGE2_ROOT_DIR
## INSTALL
composer config repositories.nord_shipfunk git git@github.com:Shipfunk/magento2-plugin.git
composer require nord/module-shipfunk:dev-master
bin/magento module:enable Nord_Shipfunk
bin/magento setup:upgrade
bin/magento setup:di:compile
bin/magento setup:static-content:deploy
## UNINSTALL
bin/magento module:disable Nord_Shipfunk
bin/magento module:uninstall Nord_Shipfunk
composer remove nord/module-shipfunk
composer config --unset repositories.nord_shipfunk
bin/magento setup:di:compile
bin/magento setup:static-content:deploy

zip package

Download zip package from here and unzip into your app/code/Nord/Shipfunk/ folder.

cd MAGE2_ROOT_DIR
## INSTALL
bin/magento module:enable Nord_Shipfunk
bin/magento setup:upgrade
bin/magento setup:di:compile
bin/magento setup:static-content:deploy
## UNINSTALL
bin/magento module:disable Nord_Shipfunk
rm -rf app/code/Nord/Shipfunk
bin/magento setup:di:compile
bin/magento setup:static-content:deploy

database cleanup

If desired, execute these queries to remove database content produced by Shipfunk module

USE your_database_name;
DROP TABLE quote_selected_pickup;
DROP TABLE sales_order_selected_pickup;
DELETE FROM eav_attribute WHERE attribute_code LIKE 'shipfunk_%';
DELETE FROM setup_module WHERE module='Nord_Shipfunk';