tox.ini, .github/workflows/docker.yml: Remove ubuntu-kinetic (defunct)

Author: Matthias Koeppe

.github/workflows/docker.yml

@@ -21,7 +21,6 @@ on:
            "ubuntu-bionic-gcc_8",
            "ubuntu-focal",
            "ubuntu-jammy",
-           "ubuntu-kinetic",
            "ubuntu-lunar",
            "ubuntu-mantic",
            "debian-buster-gcc_spkg",

tox.ini

@@ -220,8 +220,6 @@ setenv =
     ubuntu-bionic:                             IGNORE_MISSING_SYSTEM_PACKAGES=yes
     ubuntu-focal:     BASE_TAG=focal
     ubuntu-jammy:     BASE_TAG=jammy
-    ubuntu-kinetic:   BASE_TAG=kinetic
-    ubuntu-kinetic:                            IGNORE_MISSING_SYSTEM_PACKAGES=yes
     ubuntu-lunar:     BASE_TAG=lunar
     ubuntu-lunar:                              IGNORE_MISSING_SYSTEM_PACKAGES=yes
     ubuntu-mantic:    BASE_TAG=mantic