Small gradle simplification (#15515)

Author: trask

benchmark-overhead-jmh/build.gradle.kts

@@ -1,4 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import me.champeau.jmh.JMHTask
 import net.ltgt.gradle.errorprone.errorprone
 
@@ -44,7 +43,7 @@ tasks {
   val jmhStartFlightRecording = gradle.startParameter.projectProperties.get("jmh.startFlightRecording")
 
   named<JMHTask>("jmh") {
-    val shadowTask = project(":javaagent").tasks.named<ShadowJar>("shadowJar").get()
+    val shadowTask = project(":javaagent").tasks.named<Jar>("shadowJar").get()
     inputs.files(layout.files(shadowTask))
 
     // note: without an exporter, toSpanData() won't even be called

instrumentation/jmx-metrics/library/build.gradle.kts

@@ -1,4 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
 plugins {
   id("otel.library-instrumentation")
@@ -19,7 +18,7 @@ dependencies {
 
 tasks {
   test {
-    val shadowTask = project(":javaagent").tasks.named<ShadowJar>("shadowJar")
+    val shadowTask = project(":javaagent").tasks.named<Jar>("shadowJar")
     val testAppTask = project(":instrumentation:jmx-metrics:testing-webapp").tasks.named<War>("war")
 
     dependsOn(shadowTask)

instrumentation/kafka/kafka-connect-2.6/testing/build.gradle.kts

@@ -1,4 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
 plugins {
   id("otel.java-conventions")
@@ -8,7 +7,7 @@ otelJava {
   minJavaVersionSupported.set(JavaVersion.VERSION_11)
 }
 
-val agentShadowJar = project(":javaagent").tasks.named<ShadowJar>("shadowJar")
+val agentShadowJar = project(":javaagent").tasks.named<Jar>("shadowJar")
 
 dependencies {
   testImplementation(project(":smoke-tests"))

smoke-tests/build.gradle.kts

@@ -1,4 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import java.time.Duration
 
 plugins {
@@ -72,7 +71,7 @@ tasks {
       }
     }
 
-    val shadowTask = project(":javaagent").tasks.named<ShadowJar>("shadowJar")
+    val shadowTask = project(":javaagent").tasks.named<Jar>("shadowJar")
     val agentJarPath = shadowTask.flatMap { it.archiveFile }
     inputs.files(agentJarPath)
       .withPropertyName("javaagent")