Removed parallel buck steps

- unit tests and java doc are now sequential

Change-Id: I10ea0b95cab8d245758a40f5945f799b9220458b
diff --git a/tools/build/jenkins/onos-buck-gerrit b/tools/build/jenkins/onos-buck-gerrit
index 1a3eb5f..7638a2a 100644
--- a/tools/build/jenkins/onos-buck-gerrit
+++ b/tools/build/jenkins/onos-buck-gerrit
@@ -24,15 +24,10 @@
                             ONOS_ROOT=`pwd`
                             source tools/build/envDefaults
                             onos-buck test
-                        '''
-                    },
-                    "javadocs": {
-                        sh '''#!/bin/bash -l
-                            ONOS_ROOT=`pwd`
-                            source tools/build/envDefaults
                             onos-buck build //docs:external //docs:internal --show-output
                         '''
                     },
+                    // additional steps here (STC, docker buld, etc)
                 )
             }
         }