🧹 Remove unused variables and useless statements

(Found by the IntelliJ Python inspections)

lyricsgenius/genius.py

@@ -502,7 +502,6 @@ def find_artist_id(search_term):
                 print('Searching for songs by {0}...\n'.format(search_term))
 
             # Perform a Genius API search for the artist
-            found_artist = None
             response = self.search_all(search_term)
             found_artist = self._get_item_from_search_response(response,
                                                                search_term,
@@ -523,12 +522,6 @@ def find_artist_id(search_term):
             return None
 
         artist_info = self.artist(artist_id)['artist']
-        found_name = artist_info['name']
-        if found_name != artist_name and allow_name_change:
-            if self.verbose:
-                print("Changing artist name to '{a}'".format(
-                    a=safe_unicode(found_name)))
-            artist_name = found_name
 
         # Create the Artist object
         artist = Artist(self, artist_info)