removed ansicolor, timestamper plugins from jenkins

Change-Id: I2296b5f058b94814ae5f18511bced060cf08a8c0
diff --git a/jenkins/client/init.yml b/jenkins/client/init.yml
index b37c48f..7d87ffe 100644
--- a/jenkins/client/init.yml
+++ b/jenkins/client/init.yml
@@ -16,7 +16,6 @@
         username: ${_param:jenkins_client_user}
         password: ${_param:jenkins_client_password}
       plugin:
-        ansicolor: {}
         artifactory: {}
         build-blocker-plugin: {}
         build-monitor-plugin: {}
@@ -39,7 +38,6 @@
         simple-theme-plugin: {}
         slack: {}
         test-stability: {}
-        timestamper: {}
         workflow-cps: {}
         workflow-remote-loader: {}
         workflow-scm-step: