Remove work from #2095

Author: MasterKale

index.bs

@@ -2289,10 +2289,6 @@ The following {{DOMException}} exceptions can be raised:
         the [=authenticator=] does not support it
         or there were issues when [[#sctn-validating-relation-origin|validating related origins]].
 
-    :   {{TimeoutError}}
-    ::  The ceremony was cancelled by the user agent after exceeding the time limit permitted for the ceremony.
-        See [[#sctn-timeout-recommended-range]] for more information.
-
     :   {{UnknownError}}
     ::  The [=authenticator=] could not process the supplied options,
         or encountered an error while creating the new credential.
@@ -2855,10 +2851,6 @@ The following {{DOMException}} exceptions can be raised:
         the [=authenticator=] does not support it
         or there were issues when [[#sctn-validating-relation-origin|validating related origins]].
 
-    :   {{TimeoutError}}
-    ::  The ceremony was cancelled by the user agent after exceeding the time limit permitted for the ceremony.
-        See [[#sctn-timeout-recommended-range]] for more information.
-
     :   {{UnknownError}}
     ::  The [=authenticator=] could not process the supplied options,
         or encountered an error while generating an [=assertion signature=].