branch wip-http-pipelining deleted (was a8ce753)

[Ludovic Court�s]

civodul pushed a change to branch wip-http-pipelining
in repository guix.

       was  a8ce753   substitute-binary: Pipeline HTTP requests instead of 
using threads.

This change permanently discards the following revisions:

  discards  a8ce753   substitute-binary: Pipeline HTTP requests instead of 
using threads.