remove versions

proto/private/versions.bzl

diff --git a/proto/private/versions.bzl b/proto/private/versions.bzl
deleted file mode 100644
index 2e0335a..0000000
--- a/proto/private/versions.bzl
+++ /dev/null
@@ -1,26 +0,0 @@
-
-def get_archive_url(arch, version):
-    platform = arch.replace("darwin", "osx")
-        .replace("windows-x86_32", "win32")
-        .replace("windows-x86_64", "win64")
-        .replace("arm64", "aarch_64")
-        .replace("ppc64le", "ppcle_64")
-        .replace("s390x", "s390_64")
-    return "https://github.com/protocolbuffers/protobuf/releases/download/v{version}/protoc-{version}-{arch}.zip".format(
-        version = version,
-        arch = 
-    )
-
-PROTOC_VERSIONS = {
-  "24.4": {
-    "linux-arm64": "sha256-g6wAD/VA4kK2ov8iGjrIjS2OVUQ4AbeijpaX5fQOiTc=",
-    "linux-ppc64le": "sha256-v78zFoffihwhHMAcKXa/ke79bE5XgJyGyzQUDHWt1Ew=",
-    "linux-s390x": "sha256-WQaVzmrJCFWzY02ORrPr70ZyjN1UZkqfiSlPwi4k/BI=",
-    "linux-x86_32": "sha256-CQcHkwiWBzm3ZF/1ElSUFpGxJKPirU78zWw/GJLIjoc=",
-    "linux-x86_64": "sha256-WHE5jf1qyVSmrev0HxrjpN6RWjamqy/T6PLADUW1Dew=",
-    "darwin-arm64": "sha256-2AVESAOX/ooF2Wb7opHPEjOtDbDrwk7HLXvQd9bnrFk=",
-    "darwin-x86_64": "sha256-bDtr9AONczttMfHMRRamVlcLW1qvuWa2UPgYKv0LmM8=",
-    "windows-x86_32": "sha256-hwSIyBFwZkv58HR8Z/SDwOOHtXySmLY5skd6xgAHVjw=",
-    "windows-x86_64": "sha256-jz+S+/fdKZUSnm/iI8B8CqqX+xgvGc7PtCTpFGsnPrY="
-  }
-}
\ No newline at end of file

tools/mirror_releases.sh

diff --git a/tools/mirror_releases.sh b/tools/mirror_releases.sh
deleted file mode 100755
index 0c70b10..0000000
--- a/tools/mirror_releases.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env bash
-
-set -o errexit -o nounset -o pipefail
-
-JQ_FILTER=\
-'map({
-    "key": .tag_name | ltrimstr("v"), 
-    "value": .assets 
-        | map( select(  (.name | startswith("protoc-")) and (.name | contains("-universal_binary") | not ) ) )
-        | map({ 
-            key: .name 
-                | sub("^protoc-[\\d+.?]+-"; "") 
-                | rtrimstr(".zip"), 
-            value: "sha256-"
-        }) | from_entries 
-}) | from_entries
-'
-
-INFO="$(curl --silent -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/protocolbuffers/protobuf/releases?per_page=1 | jq "$JQ_FILTER")"
-
-for VERSION in $(jq -r 'keys | join("\n")' <<< $INFO); do 
-    for PLATFORM in $(jq -r ".[\"$VERSION\"] | keys | join(\"\n\")" <<< $INFO); do 
-        SHA256=$(curl -fLs "https://github.com/protocolbuffers/protobuf/releases/download/v$VERSION/protoc-$VERSION-$PLATFORM.zip" | shasum -a 256 | xxd -r -p | base64)
-        INFO=$(jq ".[\"$VERSION\"][\"$PLATFORM\"] = \"sha256-$SHA256\"" <<< $INFO)
-    done
-done
-
-
-JQ_POSTPROCESS=\
-'. | to_entries | map({
-    key: .key,
-    value: .value | to_entries | map({
-        key: .key 
-            | sub("osx"; "darwin")
-            | sub("win32"; "windows-x86_32")
-            | sub("win64"; "windows-x86_64")
-            | sub("aarch_64"; "arm64")
-            | sub("ppcle_64"; "ppc64le")
-            | sub("s390_64"; "s390x"),
-        value: .value
-    }) | from_entries
-}) | from_entries
-'
-
-echo -n "PROTOC_VERSIONS = "
-echo $INFO | jq -M "$JQ_POSTPROCESS"
-
-echo ""
-echo "Copy the version info into proto/private/versions.bzl"
\ No newline at end of file