remove targeted build since we are not using docker_layer_caching option in circleci
remove targeted build since we are not using docker_layer_caching option in circleci

Signed-off-by: Brady Todhunter <f72057b6a6ca630eddef01fca72e69ac215214ec@anchore.com>

anchore/anchore-engine,anchore/anchore-engine,anchore/anchore-engine