[TASK] Remove code and mentions of acceptance test framework

.github/ISSUE_TEMPLATE/bug_report.md

@@ -54,6 +54,3 @@ Add more context to the problem here.
 - PHP version:
 - Web server used + version:
 - Operating system:
-- Selenium server version: <!-- Only relevant if this report is about acceptance tests -->
-- Browser driver (chromedriver/geckodriver...) version: <!-- Only relevant if this report is about acceptance tests -->
-- Browser used + version: <!-- Only relevant if this report is about acceptance tests -->

Build/Scripts/runTests.sh

@@ -256,16 +256,6 @@ echo "##########################################################################
 echo "Result of ${TEST_SUITE}" >&2
 echo "Container runtime: ${CONTAINER_BIN}" >&2
 echo "PHP: ${PHP_VERSION}" >&2
-if [[ ${TEST_SUITE} =~ ^(functional|functionalDeprecated|acceptance|acceptanceInstall)$ ]]; then
-    case "${DBMS}" in
-        mariadb|mysql|postgres)
-            echo "DBMS: ${DBMS}  version ${DBMS_VERSION}  driver ${DATABASE_DRIVER}" >&2
-            ;;
-        sqlite)
-            echo "DBMS: ${DBMS}" >&2
-            ;;
-    esac
-fi
 if [[ -n ${EXTRA_TEST_OPTIONS} ]]; then
     echo " Note: Using -e is deprecated. Simply add the options at the end of the command."
     echo " Instead of: Build/Scripts/runTests.sh -s ${TEST_SUITE} -e '${EXTRA_TEST_OPTIONS}' $@"

Build/phpstan/phpstan.neon

@@ -16,8 +16,6 @@ parameters:
     - ../../Tests
 
   excludePaths:
-    # Checking acceptance support files is cumbersome due to codeception dynamic mixin generation
-    - ../../Classes/Core/Acceptance/*
     # Text fixtures extensions uses $_EXTKEY phpstan would be report as "might not defined"
     - ../../Tests/Unit/*/Fixtures/Extensions/*/ext_emconf.php
     - ../../Tests/Unit/*/Fixtures/Packages/*/ext_emconf.php

CONTRIBUTING.rst

@@ -78,12 +78,6 @@ To provide a change to the testing framework, you have to
 
          ./Build/Scripts/runTests.sh -s functional
 
-   *  TYPO3 Core acceptance tests (slow ~ 30-60 minutes):
-
-      .. code-block:: bash
-
-         ./Build/Scripts/runTests.sh -s acceptance
-
    and confirming that the test runs have the same result as without the
    changes,