Surface --voting-keypair to release users (#5420)

* Remove 'configured_flag' for vote/storage account, instead detect if they exist with the wallet

* Require --voting-keypair when using release binaries

ci/publish-tarball.sh

@@ -102,6 +102,7 @@ set -e
 cd "$(dirname "$0")"/..
 export USE_INSTALL=1
 export REQUIRE_CONFIG_DIR=1
+export REQUIRE_KEYPAIRS=1
 exec multinode-demo/validator.sh "$@"
 EOF
   chmod +x solana-release/bin/validator.sh