Update railway.rst

Author: sobolevn

docs/pages/railway.rst

@@ -162,7 +162,6 @@ inner state of containers into a regular types:
   >>> assert Some(0).unwrap() == 0
 
 .. code:: pycon
-  :force:
 
   >>> Failure(1).unwrap()
   Traceback (most recent call last):
@@ -179,7 +178,6 @@ use :meth:`returns.interfaces.unwrappable.Unwrapable.failure`
 to unwrap the failed state:
 
 .. code:: pycon
-  :force:
 
   >>> assert Failure(1).failure() == 1
   >>> Success(1).failure()