[builder] Remove script to trigger packagers

The package builders have been moved to dart-internal, and are
triggered by commits to the builder directory.

Change-Id: I492b91eadbf09db49021a0b806098e6ba06c0a26
Bug: b/207335363
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/234921
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: William Hesse <whesse@google.com>
diff --git a/builder/tools/build_executables.sh b/builder/tools/build_executables.sh
deleted file mode 100755
index 65ad4a4..0000000
--- a/builder/tools/build_executables.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-# Schedules builders to build executables from the dart_ci scripts for all
-# supported platforms and upload them as CIPD packages under
-# https://chrome-infra-packages.appspot.com/p/dart/ci/builder_scripts.
-
-set -e
-
-if [ -z "$1" ]; then
-  echo "Revision required as first argument." >&2
-  exit 1
-fi
-
-declare -a BUILDERS=(
-    "dart-ci-scripts-linux"
-    "dart-ci-scripts-win"
-    "dart-ci-scripts-mac"
-    "dart-ci-scripts-mac-arm64")
-
-for INDEX in "${!BUILDERS[@]}"; do
-  BUILDER=dart/ci/${BUILDERS[$INDEX]}
-  BUILD_ID=$(bb add\
-    -commit $1\
-    -json\
-    $BUILDER\
-    | jq -r '.id')
-  echo $BUILDER: $BUILD_ID
-done