remove unused exception UnknownKeytype

jschlyter · jschlyter · commit 8284906284df · 2020-09-03T09:08:49.000+02:00
closes #65
diff --git a/src/cryptojwt/exception.py b/src/cryptojwt/exception.py
@@ -63,10 +63,6 @@ class UpdateFailed(KeyIOError):
     pass
 
 
-class UnknownKeytype(Invalid):
-    """An unknown key type"""
-
-
 class JWKException(JWKESTException):
     pass
 
