python3-setuptools: move patch from 'files' to 'python3-setuptools'

* it's not used by any other recipe AFAIK
* meta-python2 has own copy for python-setuptools there in:
  meta-python2/recipes-devtools/python/python-setuptools/0001-conditionally-do-not-fetch-code-by-easy_install.patch

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-devtools/python/files/0001-conditionally-do-not-fetch-code-by-easy_install.patch b/meta/recipes-devtools/python/python3-setuptools/0001-conditionally-do-not-fetch-code-by-easy_install.patch
similarity index 100%
rename from meta/recipes-devtools/python/files/0001-conditionally-do-not-fetch-code-by-easy_install.patch
rename to meta/recipes-devtools/python/python3-setuptools/0001-conditionally-do-not-fetch-code-by-easy_install.patch