Fix bash completion files and simplify spec

Patch for pip install <url> allow directory traversal, leading to arbitrary file write

Remove unused CA bundle from the bundled requests library

Add four new patches for CVEs in bundled urllib3 and requests
2018-20060, CVE-2019-11236, CVE-2019-11324, CVE-2018-18074

Create python-pip-wheel package with the wheel

Move bash completion files from platform-python- to python3- subpackage
resolves: rhbz#1664749

Use the system level root certificate instead of the one bundled in certifi
Resolves: rhbz#1655255

Do not show the "new version of pip" warning outside of venv
Resolves: rhbz#1656171

Prevent removing of the system packages installed under /usr/lib
U is executed. Patch by Michal Cyprian.

Bump the NVR so it's higher than previous builds of python3-pip that have
Resolves: rhbz#1638836

python3-pip requires python36 and obsoletes previous version
and platform-python- were in one package
Resolves: rhbz#1638836

Split part of the python3-pip package into platform-python-pip
python3-pip will only contain binaries in /usr/bin
Resolves: rhbz#1638836

Remove the python2 subpackage

Correct license information

Don't build the python2 subpackage

Update to 9.0.3