chore: Deduplicate ThreadUtils

Clean up unused UnsafeUtils

Author: PerfectSlayer

dd-java-agent/instrumentation/akka/akka-http/akka-http-10.6/build.gradle

@@ -64,6 +64,7 @@ dependencies {
   testImplementation group: 'com.typesafe.akka', name: 'akka-http-jackson_2.13', version: '10.6.0'
   testImplementation group: 'com.typesafe.akka', name: 'akka-http-spray-json_2.13', version: '10.6.0'
   testImplementation libs.scala213
+  testImplementation project(':utils:test-utils')
   testImplementation project(':dd-java-agent:instrumentation:trace-annotation')
   testImplementation project(':dd-java-agent:instrumentation:akka:akka-actor-2.5')
   testImplementation project(':dd-java-agent:instrumentation:scala-concurrent')