TODO: drop the alt-svc fallback

Let's return to this subject if someone actually needs this for their
specific use case.

See #17152
Closes #20786

diff --git a/docs/TODO.md b/docs/TODO.md
index fbf6092043780d3fa87125f80325fbe0a6d0ccdc..6bd63da6b52c58c634e1aeea74923b7690e688f5 100644 (file)
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -331,14 +331,6 @@ line.
 
 Additionally this should be implemented for proxy base URLs as well.
 
-## alt-svc should fallback if alt-svc does not work
-
-The `alt-svc:` header provides a set of alternative services for curl to use
-instead of the original. If the first attempted one fails, it should try the
-next etc and if all alternatives fail go back to the original.
-
-See [curl issue 4908](https://github.com/curl/curl/issues/4908)
-
 ## Require HTTP version X or higher
 
 curl and libcurl provide options for trying higher HTTP versions (for example