Get rid of applying Shadow plugin for itself

build.gradle

@@ -1,6 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 plugins {
     id 'groovy'
     id 'project-report'
@@ -12,8 +9,6 @@ plugins {
     id 'com.vanniktech.maven.publish' version "0.29.0"
 }
 
-apply plugin: ShadowPlugin
-
 apply from: file('gradle/docs.gradle')
 apply from: file('gradle/publish.gradle')
 apply from: file('gradle/vuepress.gradle')
@@ -55,13 +50,6 @@ tasks.withType(Test).configureEach {
     )
 }
 
-tasks.named('shadowJar', ShadowJar) {
-    from rootProject.file('LICENSE')
-    from rootProject.file('NOTICE')
-    enableRelocation true
-    archiveClassifier = ''
-}
-
 tasks.named('ideaModule') {
     notCompatibleWithConfigurationCache("https://github.com/gradle/gradle/issues/13480")
 }

gradle/dependencies.gradle

@@ -1,6 +1,5 @@
 dependencies {
     compileOnly localGroovy()
-    shadow 'org.codehaus.groovy:groovy-backports-compat23:3.0.8'
 
     implementation 'org.jdom:jdom2:2.0.6.1'
     implementation 'org.ow2.asm:asm:9.7'

gradle/docs.gradle

@@ -2,7 +2,6 @@ def javaApiUrl = 'https://docs.oracle.com/javase/17/docs/api'
 def groovyApiUrl = "https://docs.groovy-lang.org/2.4.7/html/gapi/"
 
 tasks.withType(Javadoc).configureEach {
-    classpath += project.configurations.shadow
     options.links(javaApiUrl, groovyApiUrl)
     if (JavaVersion.current().java8Compatible) {
         options.addStringOption('Xdoclint:none', '-quiet')
@@ -14,8 +13,4 @@ java {
     withSourcesJar()
 }
 
-tasks.named('groovydoc') {
-    classpath += project.configurations.shadow
-}
-
 tasks.named('build') { dependsOn javadocJar, sourcesJar }