Merge pull request #4338 from vespa-engine/hmusum/stop-using-feature-…

…flag-8

Remove setting for feature flag being the same as default value

docker/include/feature-flags.json

@@ -37,7 +37,6 @@
         { "id" : "write-config-server-session-data-as-blob", "rules" : [ { "value" : true } ] },
         { "id" : "unknown-config-definition", "rules" : [ { "value" : "fail" } ] },
         { "id" : "content-layer-metadata-feature-level", "rules" : [ { "value" : 1 } ] },
-        { "id" : "symmetric-put-and-activate-replica-selection", "rules" : [ { "value" : true } ] },
         { "id" : "zookeeper-pre-alloc-size", "rules" : [ { "value" : 16384 } ] },
         { "id" : "document-v1-queue-size", "rules" : [ { "value" : 0 } ] },
         { "id":  "search-handler-threadpool", "rules":  [ { "value": 10 } ] }