[QA] Drop dead code (#136639)

* [QA][Code Coverage] Drop dead code

I'm hoping these jenkins related code coverage
scripts are no longer needed and can be removed.

* Dropping more after chatting with Spencer:
https://elastic.slack.com/archives/C5UDAFZQU/p1658234270426099

scripts/ensure_all_tests_in_ci_group.js

@@ -1,10 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-require('../src/setup_node_env');
-require('../src/dev/ensure_all_tests_in_ci_group').runEnsureAllTestsInCiGroupsCli();

src/dev/ensure_all_tests_in_ci_group.ts

@@ -1,53 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import Path from 'path';
-import Fs from 'fs/promises';
-
-import execa from 'execa';
-import { safeLoad } from 'js-yaml';
-
-import { run } from '@kbn/dev-cli-runner';
-import { REPO_ROOT } from '@kbn/utils';
-import { schema } from '@kbn/config-schema';
-
-const RELATIVE_JOBS_YAML_PATH = '.ci/ci_groups.yml';
-const JOBS_YAML_PATH = Path.resolve(REPO_ROOT, RELATIVE_JOBS_YAML_PATH);
-const SCHEMA = schema.object({
-  root: schema.arrayOf(schema.string()),
-  xpack: schema.arrayOf(schema.string()),
-});
-
-export function runEnsureAllTestsInCiGroupsCli() {
-  run(async ({ log }) => {
-    const { root, xpack } = SCHEMA.validate(safeLoad(await Fs.readFile(JOBS_YAML_PATH, 'utf-8')));
-
-    log.info(
-      'validating root tests directory contains all "root" ciGroups from',
-      RELATIVE_JOBS_YAML_PATH
-    );
-    await execa(process.execPath, [
-      'scripts/functional_tests',
-      ...root.map((tag) => `--include-tag=${tag}`),
-      '--include-tag=runOutsideOfCiGroups',
-      '--assert-none-excluded',
-    ]);
-
-    log.info(
-      'validating x-pack/tests directory contains all "xpack" ciGroups from',
-      RELATIVE_JOBS_YAML_PATH
-    );
-    await execa(process.execPath, [
-      'x-pack/scripts/functional_tests',
-      ...xpack.map((tag) => `--include-tag=${tag}`),
-      '--assert-none-excluded',
-    ]);
-
-    log.success('all tests are in a valid ciGroup');
-  });
-}

test/scripts/jenkins_build_kibana.sh

@@ -10,9 +10,6 @@ fi
 # doesn't persist, also set in kibanaPipeline.groovy
 export KBN_NP_PLUGINS_BUILT=true
 
-echo " -> Ensuring all functional tests are in a ciGroup"
-node scripts/ensure_all_tests_in_ci_group
-
 # Do not build kibana for code coverage run
 if [[ -z "$CODE_COVERAGE" ]] ; then
   echo " -> building and extracting default Kibana distributable for use in functional tests"

test/scripts/jenkins_code_coverage.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-cd "$KIBANA_DIR"
-source src/dev/ci_setup/setup_env.sh
-
-if [[ ! "$TASK_QUEUE_PROCESS_ID" ]]; then
-    ./test/scripts/jenkins_build_plugins.sh
-fi
-
-# doesn't persist, also set in kibanaPipeline.groovy
-export KBN_NP_PLUGINS_BUILT=true
-
-echo " -> Ensuring all functional tests are in a ciGroup"
-node scripts/ensure_all_tests_in_ci_group

test/scripts/jenkins_unit.sh

@@ -1,37 +0,0 @@
-#!/usr/bin/env bash
-
-source test/scripts/jenkins_test_setup.sh
-
-if [[ -z "$CODE_COVERAGE" ]] ; then
-  # Lint
-  ./test/scripts/lint/eslint.sh
-  ./test/scripts/lint/stylelint.sh
-
-  # Test
-  ./test/scripts/test/jest_integration.sh
-  ./test/scripts/test/jest_unit.sh
-  ./test/scripts/test/api_integration.sh
-
-  # Check
-  ./test/scripts/checks/telemetry.sh
-  ./test/scripts/checks/ts_projects.sh
-  ./test/scripts/checks/jest_configs.sh
-  ./test/scripts/checks/type_check.sh
-  ./test/scripts/checks/bundle_limits.sh
-  ./test/scripts/checks/i18n.sh
-  ./test/scripts/checks/file_casing.sh
-  ./test/scripts/checks/licenses.sh
-  ./test/scripts/checks/plugins_with_circular_deps.sh
-  ./test/scripts/checks/verify_notice.sh
-  ./test/scripts/checks/test_projects.sh
-  ./test/scripts/checks/test_hardening.sh
-else
-  echo " -> Running jest tests with coverage"
-  node scripts/jest --ci --maxWorkers=8 --coverage || true;
-
-  echo " -> Running jest integration tests with coverage"
-  node scripts/jest_integration --ci --coverage || true;
-
-  echo " -> Combine code coverage in a single report"
-  yarn nyc report --nycrc-path src/dev/code_coverage/nyc_config/nyc.jest.config.js
-fi