Drop script to update docs on travis

scripts/travis_update_docs.sh

@@ -1,23 +0,0 @@
-#!/bin/bash
-
-# Trigger a rebuild of the psycopg.org website to update the documentation.
-# The script is meant to run by Travis CI.
-
-set -euo pipefail
-
-# The travis token can be set at https://github.com/psycopg/psycopg2/settings/secrets/actions
-# and can be set on a selected branch only (which should match the DOC_BRANCH
-# in the psycopg-website Makefile, or it won't refresh a thing).
-if [ -z "${TRAVIS_TOKEN:-}" ]; then
-    echo "skipping docs update: travis token not set" >&2
-    exit 0
-fi
-
-echo "triggering psycopg-website rebuild" >&2
-curl -s -X POST \
-    -H "Content-Type: application/json" \
-    -H "Accept: application/json" \
-    -H "Travis-API-Version: 3" \
-    -H "Authorization: token ${TRAVIS_TOKEN}" \
-    -d "{\"request\": {\"branch\": \"${TRAVIS_BRANCH}\"}}" \
-    https://api.travis-ci.com/repo/psycopg%2Fpsycopg-website/requests