Bug 1804602 - Remove Debian 10-based docker images. r=taskgraph-reviewers,aki

Differential Revision: https://phabricator.services.mozilla.com/D164182

taskcluster/ci/docker-image/kind.yml

@@ -109,26 +109,6 @@ jobs:
     lint:
         symbol: I(lnt)
         parent: debian11-base
-    # Neither the debian10-raw nor the debian10-packages images can have
-    # packages dependencies.
-    debian10-raw:
-        symbol: I(deb10-raw)
-        definition: debian-raw
-        args:
-            BASE_IMAGE: debian:buster-20220509
-            DIST: buster
-            SNAPSHOT: '20220509T214601Z'
-    debian10-packages:
-        symbol: I(deb10-pkg)
-        definition: debian-packages
-        parent: debian10-raw
-    debian10-base:
-        symbol: I(deb10-base)
-        definition: debian-base
-        parent: debian10-raw
-        packages:
-            - deb10-mercurial
-            - deb10-python-zstandard
     # Neither the debian11-raw nor the debian11-packages images can have
     # packages dependencies.
     debian11-raw:

taskcluster/ci/packages/debian.yml

@@ -7,21 +7,6 @@ job-defaults:
         using: debian-package
         dist: jessie
 
-deb10-mercurial:
-    description: "Modern Mercurial for Debian buster"
-    treeherder:
-        symbol: Deb10(hg)
-    run:
-        dist: buster
-        tarball:
-            url: https://www.mercurial-scm.org/release/mercurial-5.8.1.tar.gz
-            sha256: 81baa3fe2087bdda2dd119d7ea948f6badebaeb7b528a7d18b277e2ceb22b19b
-        pre-build-command: >-
-            cp -r contrib/packaging/debian debian &&
-            sed -i -e "s/__VERSION__/$(awk -F\" '$2 {print $2}' mercurial/__version__.py)-1.deb10moz1/" \
-                         -e "s/__DATE__/$(date --rfc-2822)/" \
-                         -e "s/__CODENAME__/buster/" debian/changelog
-
 deb11-mercurial:
     description: "Modern Mercurial for Debian bullseye"
     treeherder:
@@ -48,18 +33,6 @@ deb11-valgrind:
             url: http://snapshot.debian.org/archive/debian/20220829T032859Z/pool/main/v/valgrind/valgrind_3.19.0-1.dsc
             sha256: 2a988324ccb0a08cb9805f84549725347f261029f198195040a35da905505376
 
-deb10-python-zstandard:
-    description: "python-zstandard for Debian buster"
-    treeherder:
-        symbol: Deb10(python-zstandard)
-    run:
-        dist: buster
-        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.deb10moz --distribution buster "Mozilla backport for buster"
-        name: python-zstandard
-
 deb11-python-zstandard:
     description: "python-zstandard for Debian bullseye"
     treeherder: