Remove vestigial `VersionControl.get_info()` method.

src/pip/_internal/vcs/__init__.py

@@ -250,14 +250,6 @@ class VersionControl(object):
 
         return url, rev_options
 
-    def get_info(self, location):
-        """
-        Returns (url, revision), where both are strings
-        """
-        assert not location.rstrip('/').endswith(self.dirname), \
-            'Bad directory: %s' % location
-        return self.get_url(location), self.get_revision(location)
-
     def normalize_url(self, url):
         """
         Normalize a URL for comparison by unquoting it and removing any
@@ -422,7 +414,7 @@ class VersionControl(object):
         """
         Return the url used at location
 
-        This is used in get_info() and obtain().
+        This is used in obtain().
         """
         raise NotImplementedError
 

src/pip/_internal/vcs/subversion.py

@@ -31,34 +31,6 @@ class Subversion(VersionControl):
     def get_base_rev_args(self, rev):
         return ['-r', rev]
 
-    def get_info(self, location):
-        """Returns (url, revision), where both are strings"""
-        assert not location.rstrip('/').endswith(self.dirname), \
-            'Bad directory: %s' % location
-        output = self.run_command(
-            ['info', location],
-            show_stdout=False,
-            extra_environ={'LANG': 'C'},
-        )
-        match = _svn_url_re.search(output)
-        if not match:
-            logger.warning(
-                'Cannot determine URL of svn checkout %s',
-                display_path(location),
-            )
-            logger.debug('Output that cannot be parsed: \n%s', output)
-            return None, None
-        url = match.group(1).strip()
-        match = _svn_revision_re.search(output)
-        if not match:
-            logger.warning(
-                'Cannot determine revision of svn checkout %s',
-                display_path(location),
-            )
-            logger.debug('Output that cannot be parsed: \n%s', output)
-            return url, None
-        return url, match.group(1)
-
     def export(self, location):
         """Export the svn repository at the url to the destination location"""
         url, rev_options = self.get_url_rev_options(self.url)