WIP: plugins/elements/pip.py: Remove the pip build element plugin
Description
WIP until the plugin has been merged to bst-plugins-experimental, at which point BST_PLUGINS_EXPERIMENTAL_VERSION
in tox.ini can be bumped as well as BST_EXT_REF
in gitlabci which has two references. Following the the pip source plugin can be extracted
Changes proposed in this merge request:
- Remove pip build element plugin & related tests
- Update NEWS entry
This merge request, when approved, will close: