Eliminates wrong mro refs #3001

Author: JJ

type-graph.txt

@@ -342,7 +342,7 @@ class X::Proc::Async::CharsOrBytes      does X::Proc::Async
 class X::Proc::Async::MustBeStarted     does X::Proc::Async
 class X::Proc::Async::OpenForWriting    does X::Proc::Async
 class X::Proc::Async::TapBeforeSpawn    does X::Proc::Async
-class X::Proc::Async::BindOrUse         does Async is Exception
+class X::Proc::Async::BindOrUse         does X::Proc::Async
 [Exceptions]
 # Exceptions: Concurrency
 class X::Promise::CauseOnlyValidOnBroken is Exception