finagle-sbt: exclude kestrelx from unidoc task
finagle-sbt: exclude kestrelx from unidoc task

this is a temporary fix until the kestrel-x package
is removed after the netty4 migration is complete.

RB_ID=542284

nomadlabs/finagle,lysu/finagle,zfy0701/finagle,fengshao0907/finagle,rodrigodealer/finagle,nkhuyu/finagle,liamstewart/finagle,luciferous/finagle,nkhuyu/finagle,OopsOutOfMemory/finagle,sveinnfannar/finagle,lukiano/finagle,rojanu/finagle,folone/finagle,rodrigodealer/finagle,thirstycrow/finagle,kingtang/finagle,latur19318/finagle,zfy0701/finagle,travisbrown/finagle,almendar/finagle,luciferous/finagle,a-manumohan/finagle,chen0031/finagle,sveinnfannar/finagle,chen0031/finagle,bruceluo/finagle,travisbrown/finagle,lysu/finagle,BuoyantIO/finagle,Krasnyanskiy/finagle,a-manumohan/finagle,suls/finagle,latur19318/finagle,rjbhewei/finagle,mkhq/finagle,spockz/finagle,luciferous/finagle,nkhuyu/finagle,jay-johnson/finagle,sveinnfannar/finagle,travisbrown/finagle,mosesn/finagle,chen0031/finagle,jay-johnson/finagle,kumasento/finagle,jay-johnson/finagle,cogitate/twitter-finagle-uuid,travisbrown/finagle,rodrigodealer/finagle,kingtang/finagle,scorpiovn/finagle,kumasento/finagle,twitter/finagle,bruceluo/finagle,mkhq/finagle,travisbrown/finagle,liamstewart/finagle,zfy0701/finagle,latur19318/finagle,kingtang/finagle,cogitate/twitter-finagle-uuid,thirstycrow/finagle,koshelev/finagle,BuoyantIO/finagle,BuoyantIO/finagle,rojanu/finagle,adriancole/finagle,svetlyak40wt/finagle,bruceluo/finagle,lucaslanger/finagle,chen0031/finagle,a-manumohan/finagle,suls/finagle,folone/finagle,scorpiovn/finagle,thirstycrow/finagle,jeremyrsmith/finagle,koshelev/finagle,luciferous/finagle,kumasento/finagle,Krasnyanskiy/finagle,liamstewart/finagle,koshelev/finagle,jpederzolli/finagle,jay-johnson/finagle,lucaslanger/finagle,spockz/finagle,kingtang/finagle,nkhuyu/finagle,liamstewart/finagle,rojanu/finagle,folone/finagle,adriancole/finagle,Krasnyanskiy/finagle,svetlyak40wt/finagle,a-manumohan/finagle,mkhq/finagle,svetlyak40wt/finagle,lucaslanger/finagle,latur19318/finagle,spockz/finagle,chen0031/finagle,kumasento/finagle,folone/finagle,lukiano/finagle,nomadlabs/finagle,jpederzolli/finagle,rjbhewei/finagle,adriancole/finagle,BuoyantIO/finagle,lukiano/finagle,jpederzolli/finagle,fengshao0907/finagle,scorpiovn/finagle,suls/finagle,liamstewart/finagle,OopsOutOfMemory/finagle,cogitate/twitter-finagle-uuid,jeremyrsmith/finagle,latur19318/finagle,spockz/finagle,OopsOutOfMemory/finagle,rodrigodealer/finagle,jeremyrsmith/finagle,jpederzolli/finagle,lucaslanger/finagle,jeremyrsmith/finagle,luciferous/finagle,rjbhewei/finagle,cogitate/twitter-finagle-uuid,OopsOutOfMemory/finagle,bruceluo/finagle,jpederzolli/finagle,lysu/finagle,suls/finagle,kumasento/finagle,spockz/finagle,spockz/finagle,fengshao0907/finagle,adriancole/finagle,lysu/finagle,OopsOutOfMemory/finagle,nomadlabs/finagle,adriancole/finagle,almendar/finagle,cogitate/twitter-finagle-uuid,mkhq/finagle,koshelev/finagle,nomadlabs/finagle,scorpiovn/finagle,twitter/finagle,a-manumohan/finagle,nomadlabs/finagle,lukiano/finagle,rojanu/finagle,mosesn/finagle,luciferous/finagle,mosesn/finagle,thirstycrow/finagle,twitter/finagle,zfy0701/finagle,BuoyantIO/finagle,fengshao0907/finagle,koshelev/finagle,BuoyantIO/finagle,svetlyak40wt/finagle,nkhuyu/finagle,koshelev/finagle,sveinnfannar/finagle,jay-johnson/finagle,folone/finagle,rojanu/finagle,scorpiovn/finagle,fengshao0907/finagle,twitter/finagle,Krasnyanskiy/finagle,lysu/finagle,suls/finagle,lucaslanger/finagle,bruceluo/finagle,sveinnfannar/finagle,mosesn/finagle,lukiano/finagle,kingtang/finagle,zfy0701/finagle,jeremyrsmith/finagle,twitter/finagle,almendar/finagle,rjbhewei/finagle,rodrigodealer/finagle,thirstycrow/finagle,adriancole/finagle,rjbhewei/finagle,mkhq/finagle,lukiano/finagle,almendar/finagle,mkhq/finagle,Krasnyanskiy/finagle,mosesn/finagle,svetlyak40wt/finagle,almendar/finagle,sveinnfannar/finagle