Update names wordlist, add work around git import issue

Author: FabioRosado

doc/make.py

@@ -312,7 +312,8 @@ def spellcheck(self):
             from scripts.announce import update_name_wordlist
             update_name_wordlist()
         except (ImportError, ModuleNotFoundError):
-            print("Unable to update name wordlist, run python script/announce.py to update the list.")
+            print("Unable to update name wordlist, install GitPython "
+                  "to update this list automatically.")
         self._sphinx_build('spelling')
         output_location = os.path.join('build', 'spelling', 'output.txt')
         with open(output_location) as output:

doc/source/conf.py

@@ -79,7 +79,6 @@
 
 try:
     import sphinxcontrib.spelling  # noqa
-    import git
 except (ImportError, ModuleNotFoundError) as err:
     logger.warning(('sphinxcontrib.spelling failed to import with error "{}". '
                     '`spellcheck` command is not available.'.format(err)))