Removed obsolete reference on ansi wrapper

Change-Id: Id95340033e661d38f7204d217126472801541f6a
diff --git a/Jenkinsfile b/Jenkinsfile
index a92dbee..ec46015 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -74,9 +74,7 @@
                         PACKER_ARGS = "${PACKER_ARGS} -debug"
                     }
 
-                    wrap([$class: 'AnsiColorBuildWrapper']) {
-                        sh "packer build -only=${BUILD_ONLY} ${PACKER_ARGS} -parallel=false template.json"
-                    }
+                    sh "packer build -only=${BUILD_ONLY} ${PACKER_ARGS} -parallel=false template.json"
 
                     def packerStatus = sh(script: "grep \"Some builds didn't complete successfully and had errors\" ${PACKER_LOG_PATH}", returnStatus: true)
                     // grep returns 0 if find something