bpo-37351: Removes libpython38.a from standard Windows distribution

[zooba]

https://bugs.python.org/issue37351

[bedevere-bot]

@zooba: Please replace # with GH- in the commit message next time. Thanks!

[miss-islington]

Thanks @zooba for the PR 🌮🎉.. I'm working now to backport this PR to: 3.8.
🐍🍒⛏🤖

[miss-islington]

Sorry @zooba, I had trouble checking out the 3.8 backport branch.
Please backport using cherry_picker on command line.
cherry_picker f5690925df897cf45818bf944b28d13f37b9f8ca 3.8

[bedevere-bot]

GH-14298 is a backport of this pull request to the 3.8 branch.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot x86 Gentoo Installed with X 3.x has failed when building commit f569092.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/103/builds/2686) and take a look at the build logs.
4. Check if the failure is related to this commit (f569092) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/103/builds/2686

Click to see traceback logs

From https://github.com/python/cpython
 * branch                  master     -> FETCH_HEAD
Reset branch 'master'

Objects/unicodeobject.c: In function ‘_PyUnicode_CheckConsistency’:
Objects/unicodeobject.c:459:15: warning: variable ‘data’ set but not used [-Wunused-but-set-variable]
         void *data;
               ^~~~
Python/peephole.c: In function ‘PyCode_Optimize’:
Python/peephole.c:258:19: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘Py_ssize_t’ {aka ‘int’} [-Wsign-compare]
     for (j = 0; j < tabsiz; j += 2) {
                   ^
Python/pystrhex.c: In function ‘_Py_strhex_impl’:
Python/pystrhex.c:60:27: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘Py_ssize_t’ {aka ‘const int’} [-Wsign-compare]
     if (abs_bytes_per_sep >= arglen) {
                           ^~

/buildbot/tmp/tmpdir/tmpggoihase/pip-19.0.3-py2.py3-none-any.whl/pip/_vendor/pyparsing.py:3068: SyntaxWarning: invalid escape sequence \w
/buildbot/tmp/tmpdir/tmpggoihase/pip-19.0.3-py2.py3-none-any.whl/pip/_vendor/pyparsing.py:3068: SyntaxWarning: invalid escape sequence \w