[build] Remove grunt docker:docs task (#85848)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

tasks/docker_docs.js

@@ -1,53 +0,0 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import del from 'del';
-import { join } from 'path';
-import { execFileSync as exec } from 'child_process';
-
-export default function (grunt) {
-  grunt.registerTask('docker:docs', 'Build docs from docker', function () {
-    const rootPath = grunt.config.get('root');
-    const composePath = join(rootPath, 'tasks/docker_docs/docker-compose.yml');
-    const htmlDocsDir = join(rootPath, 'html_docs');
-
-    const env = Object.assign(process.env, {
-      KIBANA_DOCS_CONTAINER_NAME: 'kibana_docs',
-      KIBANA_DOCS_CONTEXT: rootPath,
-    });
-    const stdio = [0, 1, 2];
-    const execOptions = { env, stdio };
-
-    exec('docker-compose', ['-f', composePath, 'up'], execOptions);
-
-    const containerId = String(
-      exec('docker-compose', ['-f', composePath, 'ps', '-q', env.KIBANA_DOCS_CONTAINER_NAME], {
-        env,
-      })
-    ).trim();
-
-    grunt.log.write('Clearing old docs ... ');
-    del.sync(htmlDocsDir);
-    grunt.log.writeln('done');
-
-    grunt.log.write('Copying new docs ... ');
-    exec('docker', ['cp', `${containerId}:/home/kibana/html_docs`, htmlDocsDir]);
-    grunt.log.writeln('done');
-  });
-}

tasks/docker_docs/Dockerfile

@@ -1,18 +0,0 @@
-FROM alpine:3.6
-
-RUN apk add --no-cache \
-    git \
-    libxslt \
-    curl \
-    python \
-    libxml2-utils \
-    perl
-
-RUN addgroup kibana && \
-    adduser -D -G kibana -s /bin/bash -h /home/kibana kibana
-
-USER kibana
-RUN git clone --depth 1 https://github.com/elastic/docs.git /home/kibana/docs_builder
-
-WORKDIR /home/kibana/docs_builder
-CMD git pull origin master && ./build_docs.pl --doc /home/kibana/ascii_docs/index.asciidoc --out /home/kibana/html_docs --chunk=1

tasks/docker_docs/docker-compose.yml

@@ -1,8 +0,0 @@
-version: '2'
-services:
-  kibana_docs:
-    container_name: $KIBANA_DOCS_CONTAINER_NAME
-    build:
-      context: $KIBANA_DOCS_CONTEXT/tasks/docker_docs
-    volumes:
-      - $KIBANA_DOCS_CONTEXT/docs:/home/kibana/ascii_docs

test/scripts/jenkins_docs.sh

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-source "$(dirname $0)/../../src/dev/ci_setup/setup.sh"
-
-"$(FORCE_COLOR=0 yarn bin)/grunt" docker:docs;