Issue Summary

Bamboo Deployment shared/serverState/secureTokens are not cleanup post Deployment jobs which caused performance issues over time on starting Bamboo with -Dbamboo.ignore.server.state.on.restart=true. 

Steps to Reproduce

1. create a plan and deployment project
2. Run a deployment 
3. Check the files inside <SHARED_HOME>/serverState/ 

Expected Results

empty directory shared/serverState/secureTokens

Actual Results

the files in the shared/serverState/secureTokens was not deleted. This can created significant performance impact when you have millions of secureTokens files.

shared/serverState/secureTokens:
total 24
-rw-r----- 1 bamboo bamboo 344 Mar 27 05:59 1114113-1277953-1540097.xml
-rw-r----- 1 bamboo bamboo 350 Mar 27 05:59 859619ef-7b7e-485b-a4de-c6ea13f221e8.xml
-rw-r----- 1 bamboo bamboo 344 Mar 27 06:00 1114113-1277953-1540098.xml
-rw-r----- 1 bamboo bamboo 350 Mar 27 06:00 a756c3ec-085f-4355-96ef-a22d650a51db.xml
-rw-r----- 1 bamboo bamboo 344 Mar 27 06:02 1114113-1277953-1540099.xml
-rw-r----- 1 bamboo bamboo 350 Mar 27 06:02 1d1a0038-aee7-4df0-ac42-0cce63a68b6b.xml

Workaround

Manually deleting the old files please be aware that this can impact the build resiliency