Remove (now EOL) Debian Buster variants

Dockerfile-curl.template

@@ -12,7 +12,6 @@ RUN set -eux; \
 	# we want versions of "sq" that contain https://gitlab.com/sequoia-pgp/sequoia/-/commit/b41e1504cd29097328cb21f95808c9972188499e (and thus "sq keyserver" subcommands; 0.26+)
 	# https://packages.debian.org/sq
 	"bullseye", # 0.24
-	"buster",   # no sq
 	# https://packages.ubuntu.com/sq
 	"mantic",   # no sq
 	"jammy",    # 0.25

debian/buster/Dockerfile

@@ -1,54 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM buildpack-deps:buster-scm
-
-RUN set -ex; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		autoconf \
-		automake \
-		bzip2 \
-		default-libmysqlclient-dev \
-		dpkg-dev \
-		file \
-		g++ \
-		gcc \
-		imagemagick \
-		libbz2-dev \
-		libc6-dev \
-		libcurl4-openssl-dev \
-		libdb-dev \
-		libevent-dev \
-		libffi-dev \
-		libgdbm-dev \
-		libglib2.0-dev \
-		libgmp-dev \
-		libjpeg-dev \
-		libkrb5-dev \
-		liblzma-dev \
-		libmagickcore-dev \
-		libmagickwand-dev \
-		libmaxminddb-dev \
-		libncurses5-dev \
-		libncursesw5-dev \
-		libpng-dev \
-		libpq-dev \
-		libreadline-dev \
-		libsqlite3-dev \
-		libssl-dev \
-		libtool \
-		libwebp-dev \
-		libxml2-dev \
-		libxslt-dev \
-		libyaml-dev \
-		make \
-		patch \
-		unzip \
-		xz-utils \
-		zlib1g-dev \
-	; \
-	rm -rf /var/lib/apt/lists/*

debian/buster/curl/Dockerfile

@@ -1,18 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM debian:buster
-
-RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		ca-certificates \
-		curl \
-		gnupg \
-		netbase \
-		wget \
-	; \
-	rm -rf /var/lib/apt/lists/*

debian/buster/scm/Dockerfile

@@ -1,20 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM buildpack-deps:buster-curl
-
-RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		git \
-		mercurial \
-		openssh-client \
-		subversion \
-		\
-# procps is very common in build systems, and is a reasonably small package
-		procps \
-	; \
-	rm -rf /var/lib/apt/lists/*

shared.jq

@@ -7,7 +7,6 @@ def apt_get_dist_clean:
 		# https://packages.debian.org/apt
 		"bookworm",
 		"bullseye",
-		"buster",
 
 		# https://launchpad.net/ubuntu/+source/apt
 		# https://packages.ubuntu.com/apt

versions.json

@@ -15,14 +15,6 @@
       ""
     ]
   },
-  "debian/buster": {
-    "suite": "oldoldstable",
-    "variants": [
-      "curl",
-      "scm",
-      ""
-    ]
-  },
   "debian/sid": {
     "suite": "unstable",
     "variants": [