Reuse CreateReleaseDropDownTask from grails-docs-core

buildSrc/build.gradle

@@ -56,20 +56,5 @@ dependencies {
     implementation 'org.apache.grails:grails-gradle-plugins'
     implementation "org.nosphere.apache.rat:org.nosphere.apache.rat.gradle.plugin:${versions.get('ratVersion')}"
     implementation "org.gradle.crypto.checksum:org.gradle.crypto.checksum.gradle.plugin:${versions.get('gradleCryptoChecksumVersion')}"
-
-    testImplementation 'org.spockframework:spock-core', {
-        exclude(group: 'org.codehaus.groovy') // Use Gradle provided version because: Could not resolve org.codehaus.groovy:groovy:3.0.12
-    }
-    testRuntimeOnly 'org.junit.platform:junit-platform-launcher', {
-        // In Gradle 9, this needs to be declared
-        // https://docs.gradle.org/8.3/userguide/upgrading_version_8.html#test_framework_implementation_dependencies
-    }
-}
-
-tasks.withType(Test).configureEach {
-    onlyIf {
-        !project.hasProperty('skipTests')
-    }
-
-    useJUnitPlatform()
+    implementation 'org.apache.grails:grails-docs-core'
 }

gradle.properties

@@ -38,12 +38,6 @@ spyMemcachedVersion=2.12.3
 # https://github.com/apache/grails-gradle-plugin/issues/222
 slf4jPreventExclusion=true
 
-# This list should be kept up-to-date with the latest release versions for each minor version branch.
-# However, not all of these have documentation available, check the gh-pages branch to see
-# if the docs are available before adding them to the list.
-# The current projectVersion should not be included in this list, it will be added automatically.
-docsVersionSelectorInclude=6.1.1, 6.0.3, 5.3.0, 5.2.1, 5.1.1, 5.0.0, 4.0.4, 3.2.3, 3.1.2
-
 org.gradle.caching=true
 org.gradle.daemon=true
 org.gradle.parallel=true