Bug 1867207 - Remove Debian 11-based docker images. r=firefox-build-system-reviewers,ahochheiden

Differential Revision: https://phabricator.services.mozilla.com/D194962

taskcluster/ci/docker-image/kind.yml

@@ -136,36 +136,6 @@ jobs:
     lint:
         symbol: I(lnt)
         parent: debian12-base
-    # Neither the debian11-raw nor the debian11-packages images can have
-    # packages dependencies.
-    debian11-raw:
-        symbol: I(deb11-raw)
-        definition: debian-raw
-        args:
-            BASE_IMAGE: debian:bullseye-20230612
-            DIST: bullseye
-            SNAPSHOT: '20230611T210420Z'
-    debian11-packages:
-        symbol: I(deb11-pkg)
-        definition: debian-packages
-        parent: debian11-raw
-    debian11-base:
-        symbol: I(deb11-base)
-        definition: debian-base
-        parent: debian11-raw
-        packages:
-            - deb11-mercurial
-            - deb11-python-zstandard
-    debian11-amd64-build:
-        symbol: I(deb11)
-        parent: debian11-base
-        definition: debian-build
-    deb11-toolchain-build:
-        symbol: I(deb11-toolchain)
-        parent: debian11-base
-        definition: toolchain-build
-        packages:
-            - deb11-cmake
     # Neither the debian12-raw nor the debian12-packages images can have
     # packages dependencies.
     debian12-raw:

taskcluster/ci/packages/debian.yml

@@ -7,22 +7,6 @@ job-defaults:
         using: debian-package
         dist: jessie
 
-deb11-mercurial:
-    description: "Modern Mercurial for Debian bullseye"
-    treeherder:
-        symbol: Deb11(hg)
-    run:
-        using: debian-package
-        dist: bullseye
-        tarball:
-            url: https://www.mercurial-scm.org/release/mercurial-6.4.3.tar.gz
-            sha256: a77fb62d325934a83a00b2fc6db109f44c67b86768fc40490366f513640c7f64
-        pre-build-command: >-
-            cp -r contrib/packaging/debian debian &&
-            sed -i -e "s/__VERSION__/$(awk -F\" '$2 {print $2}' mercurial/__version__.py)-1.deb11moz1/" \
-                         -e "s/__DATE__/$(date --rfc-2822)/" \
-                         -e "s/__CODENAME__/bullseye/" debian/changelog
-
 deb12-mercurial:
     description: "Modern Mercurial for Debian bookworm"
     treeherder:
@@ -39,16 +23,6 @@ deb12-mercurial:
                          -e "s/__DATE__/$(date --rfc-2822)/" \
                          -e "s/__CODENAME__/bookworm/" debian/changelog
 
-deb11-cmake:
-    description: "cmake"
-    treeherder:
-        symbol: Deb11(cmake)
-    run:
-        dist: bullseye
-        dsc:
-            url: http://snapshot.debian.org/archive/debian/20221201T090253Z/pool/main/c/cmake/cmake_3.25.1-1.dsc
-            sha256: 508b262eee8f18c8924bb4e1b89596fb208efa2fe6bde270d16552d1dc3a0d65
-
 deb12-valgrind:
     description: "Valgrind for Debian bookworm"
     treeherder:
@@ -59,19 +33,6 @@ deb12-valgrind:
             url: http://snapshot.debian.org/archive/debian/20230111T213757Z/pool/main/v/valgrind/valgrind_3.20.0-1.dsc
             sha256: e32d373bf2d4f0bd0e9673c711d0e4a8eed43c22ca81714ae3e2d85b2f315493
 
-deb11-python-zstandard:
-    description: "python-zstandard for Debian bullseye"
-    treeherder:
-        symbol: Deb11(python-zstandard)
-    run:
-        using: debian-package
-        dist: bullseye
-        tarball:
-            url: https://github.com/indygreg/python-zstandard/releases/download/0.19.0/zstandard-0.19.0.tar.gz
-            sha256: 31d12fcd942dd8dbf52ca5f6b1bbe287f44e5d551a081a983ff3ea2082867863
-        pre-build-command: debchange -v 0.19.0-1.deb11moz --distribution bullseye "Mozilla backport for buster"
-        name: python-zstandard
-
 deb12-python-zstandard:
     description: "python-zstandard for Debian bookworm"
     treeherder: