abci: remove python examples

## Description

remove unused and unmaintained python examples of abci

Closes: #XXX

scripts/install-golangci-lint.sh

@@ -1,27 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-f_sha256() {
-  local l_file
-  l_file=$1
-  python -sBc "import hashlib;print(hashlib.sha256(open('$l_file','rb').read()).hexdigest())"
-}
-
-installer="$(mktemp)"
-trap "rm -f ${installer}" EXIT
-
-GOBIN="${1}"
-VERSION="${2}"
-HASHSUM="${3}"
-CURL="$(which curl)"
-
-echo "Downloading golangci-lint ${VERSION} installer ..." >&2
-"${CURL}" -sfL "https://raw.githubusercontent.com/golangci/golangci-lint/${VERSION}/install.sh" > "${installer}"
-
-echo "Checking hashsum ..." >&2
-[ "${HASHSUM}" = "$(f_sha256 ${installer})" ]
-chmod +x "${installer}"
-
-echo "Launching installer ..." >&2
-exec "${installer}" -d -b "${GOBIN}" "${VERSION}"