Revert "Add build.xml to those plugins that have been recently added so that they are regular sdk plugins"

This reverts commit a822163619a00c5215110e7740f20584088e9ecf.
Revert "Add build.xml to audit-hook plugin so that it is a regular sdk plugin"

This reverts commit d9db74e95d7405ce04b0a8be8f6d94c669cbea4b.
LPS-43106