dev-python/psycopg: remove unused patches

dev-python/psycopg/files/psycopg-2.4.2-setup.py.patch

@@ -1,13 +0,0 @@
-diff --git a/setup.py b/setup.py
-index e03876a..f5ec2ac 100644
---- a/setup.py
-+++ b/setup.py
-@@ -461,7 +461,7 @@ if parser.has_option('build_ext', 'mx_include_dir'):
-     mxincludedir = parser.get('build_ext', 'mx_include_dir')
- else:
-     mxincludedir = os.path.join(get_python_inc(plat_specific=1), "mx")
--if os.path.exists(mxincludedir):
-+if not use_pydatetime and os.path.exists(mxincludedir):
-     # Build the support for mx: we will check at runtime if it can be imported
-     include_dirs.append(mxincludedir)
-     define_macros.append(('HAVE_MXDATETIME', '1'))

dev-python/psycopg/files/psycopg-2.7.3-sphinx-1.6.patch

@@ -1,29 +0,0 @@
---- psycopg-2.7.3.2/doc/src/tools/lib/dbapi_extension.py 	2016-04-10 08:48:37.000000000 +0200
-+++ psycopg-2.7.3.2/doc/src/tools/lib/dbapi_extension.py 2017-12-20 22:14:19.097225121 +0100
-@@ -12,7 +12,7 @@
- from docutils import nodes
-
- from sphinx.locale import _
--from sphinx.util.compat import Directive, make_admonition
-+from docutils.parsers.rst import Directive
-
- class extension_node(nodes.Admonition, nodes.Element): pass
-
-@@ -29,12 +29,11 @@ class Extension(Directive):
-     option_spec = {}
-
-     def run(self):
--        nodes = make_admonition(extension_node,
--                self.name, [_('DB API extension')], self.options,
--                self.content, self.lineno, self.content_offset,
--                self.block_text, self.state, self.state_machine)
--        nodes[0]['classes'].append('dbapi-extension')
--        return nodes
-+        node = extension_node('\n'.join(self.content))
-+        node += nodes.title(_('DB API extension'), _('DB API extension'))
-+        self.state.nested_parse(self.content, self.content_offset, node)
-+        node['classes'].append('dbapi-extension')
-+        return [node]
-
-
- def visit_extension_node(self, node):