Remove background.threads from proton.def, replaced by feeding.concurrency.
@@ -256,7 +256,7 @@ summary.log.maxbucketspread double default=2.5
summary.log.minfilesizefactor double default=0.2
## Number of threads used for compressing incomming documents/compacting.
-## Deprecated. Use background.threads instead.
+## Deprecated. Use feeding.concurrency instead.
## TODO Remove
summary.log.numthreads int default=8 restart
@@ -378,11 +378,6 @@ visit.ignoremaxbytes bool default=true
## When set to 0 (default) we use 1 separate thread per document database.
initialize.threads int default = 0
-## Number of worker threads doing background compaction/compression tasks.
-## They all live i a shared thread pool.
-## When set to 0 (default), it will have enough threads to saturate half of the cores.
-background.threads int default=0
-
## Portion of enumstore address space that can be used before put and update
## portion of feed is blocked.
writefilter.attribute.enumstorelimit double default = 0.9
