fix codenarc

Author: jandro996

dd-smoke-tests/resteasy/src/test/groovy/smoketest/ResteasyAppsecSmokeTest.groovy

@@ -1,15 +1,13 @@
 package smoketest
 
 import datadog.smoketest.appsec.AbstractAppSecServerSmokeTest
-import datadog.trace.agent.test.utils.OkHttpUtils
 import datadog.trace.api.Platform
 import groovy.json.JsonOutput
 import groovy.json.JsonSlurper
 import okhttp3.MediaType
 import okhttp3.Request
 import okhttp3.RequestBody
 import okhttp3.Response
-import spock.lang.IgnoreIf
 
 import java.util.zip.GZIPInputStream