circleci: Remove debian:stretch job remnant

.circleci/config.yml

@@ -208,7 +208,7 @@ jobs:
         description: the Linux distribution (debian|ubuntu)
         type: string
       release:
-        description: the release name (stretch|buster|bionic|focal)
+        description: the release name (buster|bullseye|bionic|focal|jammy)
         type: string
       make_target:
         description: the make target to execute during the build
@@ -460,7 +460,6 @@ workflows:
                 - ubuntu:jammy
                 - debian:buster
                 - debian:bullseye
-                - debian:stretch
                 - centos:7
                 - centos:stream
                 - almalinux:8