Move logger to class static in TokenAuth

It doesn't need to be instance specific, let it be class specific

trakt/api.py

@@ -175,14 +175,15 @@ class TokenAuth(AuthBase):
     #: How many times to attempt token auth refresh before failing
     MAX_RETRIES = 1
 
+    logger = logging.getLogger(__name__)
+
     def __init__(self, client: HttpClient, config: AuthConfig):
         super().__init__()
         self.config = config
         self.client = client
         # OAuth token validity checked
         self.OAUTH_TOKEN_VALID = None
         self.refresh_attempts = 0
-        self.logger = logging.getLogger('trakt.api.token_auth')
 
     def __call__(self, r):
         # Skip oauth requests