Remove concurrency lock on Receiver::getImage, which is now thread safe

3 jobs for passive_recv in 11 minutes and 7 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #38272
linux
build-linux

00:10:29

 
  Build Noarch
passed #38273
conda
build-noarch

00:00:37

 
  Deploy
manual #38274
linux conda allowed to fail manual
deploy-devel