Remove unsupported metrics tarball from release artifacts

metrics/create-metrics-tarball.sh

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-cd "$(dirname "$0")/.."
-
-echo --- Creating metrics tarball
-(
-  set -x
-  rm -rf solana-metrics/
-  mkdir solana-metrics/
-
-  COMMIT="$(git rev-parse HEAD)"
-
-  (
-    echo "commit: $COMMIT"
-  ) > solana-metrics/version.yml
-
-  cp -a metrics/scripts/* solana-metrics
-
-  tar jvcf solana-metrics.tar.bz2 solana-metrics/
-)
-
-ls -hl "$PWD"/solana-metrics.tar.bz2