dev-python/pylint: remove unused patches

Signed-off-by: Michael Mair-Keimberger <m.mairkeimberger@gmail.com>
Signed-off-by: Aaron Bauman <bman@gentoo.org>

dev-python/pylint/files/pylint-2.3.1-no-pytest-runner.patch

@@ -1,12 +0,0 @@
-diff --git a/setup.py b/setup.py
-index a7b5e413..841a1c0d 100644
---- a/setup.py
-+++ b/setup.py
-@@ -169,7 +169,6 @@ def install(**kwargs):
-                  extras_require=extras_require,
-                  test_suite='test',
-                  python_requires='>=3.4.*',
--                 setup_requires=['pytest-runner'],
-                  tests_require=['pytest'],
-                  **kwargs)
- 

dev-python/pylint/files/pylint-2.3.1-sphinx-theme.patch

@@ -1,14 +0,0 @@
-It's not worth introducing a new dependency for a mere sphinx theme...
-diff --git a/doc/conf.py b/doc/conf.py
-index ada9ec49..2bd66593 100644
---- a/doc/conf.py
-+++ b/doc/conf.py
-@@ -99,7 +99,7 @@ pygments_style = 'sphinx'
- 
- # The theme to use for HTML and HTML Help pages.  See the documentation for
- # a list of builtin themes.
--html_theme = 'python_docs_theme'
-+html_theme = 'nature'
- 
- # Theme options are theme-specific and customize the look and feel of a theme
- # further.  For a list of options available for each theme, see the