Fix Gradle plugin test classpath after Kotlin upgrade

See gh-37926

Author: wilkinsona

spring-boot-project/spring-boot-tools/spring-boot-gradle-test-support/src/main/java/org/springframework/boot/testsupport/gradle/testkit/GradleBuild.java

@@ -118,7 +118,6 @@ private List<File> pluginClasspath() {
 				new File(pathOfJarContaining(ClassVisitor.class)),
 				new File(pathOfJarContaining(DependencyManagementPlugin.class)),
 				new File(pathOfJarContaining("org.jetbrains.kotlin.cli.common.PropertiesKt")),
-				new File(pathOfJarContaining("org.jetbrains.kotlin.compilerRunner.KotlinLogger")),
 				new File(pathOfJarContaining(KotlinPlatformJvmPlugin.class)),
 				new File(pathOfJarContaining(KotlinProject.class)),
 				new File(pathOfJarContaining(KotlinToolingVersion.class)),