Revert "cqlsh: check for non-empty history file before loading"
Revert "cqlsh: check for non-empty history file before loading"

This reverts commit 6a8ba07313e2fad8c5a6cf7566bbd77321274c60.

Stratio/stratio-cassandra,christian-esken/cassandra,mkjellman/cassandra,nutbunnies/cassandra,spodkowinski/cassandra,pallavi510/cassandra,asias/cassandra,regispl/cassandra,helena/cassandra,snazy/cassandra,rmarchei/cassandra,jeffjirsa/cassandra,a-buck/cassandra,jbellis/cassandra,guanxi55nba/key-value-store,project-zerus/cassandra,beobal/cassandra,emolsson/cassandra,instaclustr/cassandra,sedulam/CASSANDRA-12201,iamaleksey/cassandra,boneill42/cassandra,aureagle/cassandra,rackerlabs/cloudmetrics-cassandra,bpupadhyaya/cassandra,aweisberg/cassandra,kgreav/cassandra,michaelsembwever/cassandra,mambocab/cassandra,lalithsuresh/cassandra-c3,yhnishi/cassandra,chaordic/cassandra,rdio/cassandra,emolsson/cassandra,DikangGu/cassandra,josh-mckenzie/cassandra,jsanda/cassandra,christian-esken/cassandra,ben-manes/cassandra,fengshao0907/cassandra-1,aureagle/cassandra,Jollyplum/cassandra,rogerchina/cassandra,sedulam/CASSANDRA-12201,modempachev4/kassandra,carlyeks/cassandra,aarushi12002/cassandra,jsanda/cassandra,whitepages/cassandra,adelapena/cassandra,sayanh/ViewMaintenanceSupport,tommystendahl/cassandra,leomrocha/cassandra,DavidHerzogTU-Berlin/cassandra,dongjiaqiang/cassandra,stef1927/cassandra,chbatey/cassandra-1,instaclustr/cassandra,kangkot/stratio-cassandra,guanxi55nba/key-value-store,MasahikoSawada/cassandra,sayanh/ViewMaintenanceCassandra,cooldoger/cassandra,blambov/cassandra,szhou1234/cassandra,jsanda/cassandra,shawnkumar/cstargraph,DavidHerzogTU-Berlin/cassandraToRun,mt0803/cassandra,mkjellman/cassandra,jasobrown/cassandra,Jollyplum/cassandra,sbtourist/cassandra,jeffjirsa/cassandra,tommystendahl/cassandra,DavidHerzogTU-Berlin/cassandra,jasonstack/cassandra,GabrielNicolasAvellaneda/cassandra,matthewtt/cassandra_read,carlyeks/cassandra,fengshao0907/cassandra-1,belliottsmith/cassandra,thelastpickle/cassandra,helena/cassandra,darach/cassandra,aweisberg/cassandra,Imran-C/cassandra,whitepages/cassandra,beobal/cassandra,dongjiaqiang/cassandra,scylladb/scylla-tools-java,spodkowinski/cassandra,codefollower/Cassandra-Research,leomrocha/cassandra,yukim/cassandra,modempachev4/kassandra,AtwooTM/cassandra,yangzhe1991/cassandra,guanxi55nba/key-value-store,DikangGu/cassandra,exoscale/cassandra,krummas/cassandra,chbatey/cassandra-1,apache/cassandra,Bj0rnen/cassandra,ejankan/cassandra,jrwest/cassandra,fengshao0907/Cassandra-Research,jkni/cassandra,mike-tr-adamson/cassandra,HidemotoNakada/cassandra-udf,mashuai/Cassandra-Research,ben-manes/cassandra,caidongyun/cassandra,ifesdjeen/cassandra,mgmuscari/cassandra-cdh4,newrelic-forks/cassandra,ifesdjeen/cassandra,sriki77/cassandra,bcoverston/apache-hosted-cassandra,tjake/cassandra,pcmanus/cassandra,weipinghe/cassandra,mgmuscari/cassandra-cdh4,scylladb/scylla-tools-java,vramaswamy456/cassandra,belliottsmith/cassandra,yukim/cassandra,emolsson/cassandra,darach/cassandra,yangzhe1991/cassandra,WorksApplications/cassandra,aweisberg/cassandra,xiongzheng/Cassandra-Research,newrelic-forks/cassandra,sluk3r/cassandra,fengshao0907/Cassandra-Research,bmel/cassandra,guanxi55nba/db-improvement,stef1927/cassandra,driftx/cassandra,clohfink/cassandra,snazy/cassandra,yonglehou/cassandra,exoscale/cassandra,pcn/cassandra-1,DavidHerzogTU-Berlin/cassandra,adejanovski/cassandra,beobal/cassandra,dprguiuc/Cassandra-Wasef,GabrielNicolasAvellaneda/cassandra,project-zerus/cassandra,chaordic/cassandra,regispl/cassandra,adelapena/cassandra,bcoverston/apache-hosted-cassandra,driftx/cassandra,sivikt/cassandra,dkua/cassandra,dprguiuc/Cassandra-Wasef,jasonstack/cassandra,sbtourist/cassandra,matthewtt/cassandra_read,michaelmior/cassandra,kangkot/stratio-cassandra,ollie314/cassandra,pkdevbox/cassandra,bcoverston/cassandra,pcmanus/cassandra,scaledata/cassandra,nutbunnies/cassandra,josh-mckenzie/cassandra,phact/cassandra,mheffner/cassandra-1,dkua/cassandra,JeremiahDJordan/cassandra,nvoron23/cassandra,asias/cassandra,michaelmior/cassandra,pcn/cassandra-1,michaelsembwever/cassandra,nvoron23/cassandra,cooldoger/cassandra,mshuler/cassandra,pthomaid/cassandra,pofallon/cassandra,modempachev4/kassandra,miguel0afd/cassandra-cqlMod,juiceblender/cassandra,jeromatron/cassandra,whitepages/cassandra,yonglehou/cassandra,iamaleksey/cassandra,swps/cassandra,thelastpickle/cassandra,blerer/cassandra,likaiwalkman/cassandra,michaelsembwever/cassandra,kgreav/cassandra,taigetco/cassandra_read,fengshao0907/Cassandra-Research,lalithsuresh/cassandra-c3,DavidHerzogTU-Berlin/cassandraToRun,michaelmior/cassandra,clohfink/cassandra,miguel0afd/cassandra-cqlMod,JeremiahDJordan/cassandra,mambocab/cassandra,nitsanw/cassandra,asias/cassandra,Jaumo/cassandra,LatencyUtils/cassandra-stress2,bcoverston/cassandra,hhorii/cassandra,Stratio/stratio-cassandra,krummas/cassandra,DikangGu/cassandra,jrwest/cassandra,weipinghe/cassandra,JeremiahDJordan/cassandra,vaibhi9/cassandra,clohfink/cassandra,aboudreault/cassandra,christian-esken/cassandra,pcmanus/cassandra,vaibhi9/cassandra,tommystendahl/cassandra,swps/cassandra,hengxin/cassandra,xiongzheng/Cassandra-Research,WorksApplications/cassandra,HidemotoNakada/cassandra-udf,aboudreault/cassandra,bmel/cassandra,vramaswamy456/cassandra,hhorii/cassandra,Instagram/cassandra,belliottsmith/cassandra,driftx/cassandra,hengxin/cassandra,strapdata/cassandra,stef1927/cassandra,nlalevee/cassandra,yhnishi/cassandra,mheffner/cassandra-1,Stratio/cassandra,aarushi12002/cassandra,vramaswamy456/cassandra,strapdata/cassandra,juiceblender/cassandra,thobbs/cassandra,Instagram/cassandra,Stratio/stratio-cassandra,adelapena/cassandra,rmarchei/cassandra,jasobrown/cassandra,snazy/cassandra,iamaleksey/cassandra,sriki77/cassandra,shawnkumar/cstargraph,darach/cassandra,spodkowinski/cassandra,joesiewert/cassandra,mike-tr-adamson/cassandra,blerer/cassandra,ptuckey/cassandra,ejankan/cassandra,jasonwee/cassandra,adejanovski/cassandra,EnigmaCurry/cassandra,jbellis/cassandra,krummas/cassandra,dkua/cassandra,belliottsmith/cassandra,Stratio/stratio-cassandra,weideng1/cassandra,mashuai/Cassandra-Research,jasobrown/cassandra,Jaumo/cassandra,fengshao0907/cassandra-1,guard163/cassandra,sayanh/ViewMaintenanceCassandra,tjake/cassandra,WorksApplications/cassandra,adejanovski/cassandra,juiceblender/cassandra,ptuckey/cassandra,LatencyUtils/cassandra-stress2,ben-manes/cassandra,beobal/cassandra,instaclustr/cassandra,boneill42/cassandra,gdusbabek/cassandra,chaordic/cassandra,stef1927/cassandra,pallavi510/cassandra,jbellis/cassandra,shawnkumar/cstargraph,kgreav/cassandra,cooldoger/cassandra,caidongyun/cassandra,Bj0rnen/cassandra,regispl/cassandra,nlalevee/cassandra,MasahikoSawada/cassandra,scaledata/cassandra,jasobrown/cassandra,tommystendahl/cassandra,sluk3r/cassandra,mshuler/cassandra,Instagram/cassandra,boneill42/cassandra,jkni/cassandra,codefollower/Cassandra-Research,josh-mckenzie/cassandra,guard163/cassandra,vaibhi9/cassandra,thelastpickle/cassandra,LatencyUtils/cassandra-stress2,bpupadhyaya/cassandra,AtwooTM/cassandra,mambocab/cassandra,nvoron23/cassandra,blerer/cassandra,kgreav/cassandra,hhorii/cassandra,rogerchina/cassandra,driftx/cassandra,guard163/cassandra,codefollower/Cassandra-Research,bdeggleston/cassandra,sluk3r/cassandra,rogerchina/cassandra,kangkot/stratio-cassandra,tjake/cassandra,nutbunnies/cassandra,Jaumo/cassandra,sbtourist/cassandra,thobbs/cassandra,joesiewert/cassandra,RyanMagnusson/cassandra,pcn/cassandra-1,likaiwalkman/cassandra,sedulam/CASSANDRA-12201,WorksApplications/cassandra,nakomis/cassandra,thobbs/cassandra,bcoverston/apache-hosted-cassandra,iamaleksey/cassandra,wreda/cassandra,szhou1234/cassandra,project-zerus/cassandra,joesiewert/cassandra,qinjin/mdtc-cassandra,ejankan/cassandra,Jollyplum/cassandra,qinjin/mdtc-cassandra,macintoshio/cassandra,Stratio/cassandra,pauloricardomg/cassandra,blerer/cassandra,jasonwee/cassandra,yangzhe1991/cassandra,tjake/cassandra,Stratio/stratio-cassandra,yanbit/cassandra,nitsanw/cassandra,michaelsembwever/cassandra,mt0803/cassandra,lalithsuresh/cassandra-c3,heiko-braun/cassandra,jasonstack/cassandra,EnigmaCurry/cassandra,nakomis/cassandra,likaiwalkman/cassandra,newrelic-forks/cassandra,yukim/cassandra,mt0803/cassandra,DICL/cassandra,cooldoger/cassandra,jrwest/cassandra,yanbit/cassandra,MasahikoSawada/cassandra,Instagram/cassandra,DavidHerzogTU-Berlin/cassandraToRun,rackerlabs/cloudmetrics-cassandra,RyanMagnusson/cassandra,rmarchei/cassandra,adelapena/cassandra,nakomis/cassandra,apache/cassandra,nitsanw/cassandra,pallavi510/cassandra,snazy/cassandra,mkjellman/cassandra,weideng1/cassandra,guanxi55nba/db-improvement,blambov/cassandra,juiceblender/cassandra,HidemotoNakada/cassandra-udf,sivikt/cassandra,ptnapoleon/cassandra,knifewine/cassandra,pkdevbox/cassandra,knifewine/cassandra,bcoverston/cassandra,rdio/cassandra,sayanh/ViewMaintenanceSupport,iburmistrov/Cassandra,pkdevbox/cassandra,carlyeks/cassandra,jrwest/cassandra,sivikt/cassandra,pthomaid/cassandra,macintoshio/cassandra,ptnapoleon/cassandra,spodkowinski/cassandra,yonglehou/cassandra,rdio/cassandra,knifewine/cassandra,jasonwee/cassandra,ifesdjeen/cassandra,wreda/cassandra,sharvanath/cassandra,heiko-braun/cassandra,apache/cassandra,mashuai/Cassandra-Research,wreda/cassandra,ptuckey/cassandra,aureagle/cassandra,xiongzheng/Cassandra-Research,ollie314/cassandra,Imran-C/cassandra,mshuler/cassandra,scylladb/scylla-tools-java,nlalevee/cassandra,Imran-C/cassandra,helena/cassandra,gdusbabek/cassandra,miguel0afd/cassandra-cqlMod,DICL/cassandra,sharvanath/cassandra,krummas/cassandra,bdeggleston/cassandra,phact/cassandra,ibmsoe/cassandra,chbatey/cassandra-1,aweisberg/cassandra,ibmsoe/cassandra,matthewtt/cassandra_read,ollie314/cassandra,mheffner/cassandra-1,scylladb/scylla-tools-java,kangkot/stratio-cassandra,iburmistrov/Cassandra,pauloricardomg/cassandra,pauloricardomg/cassandra,gdusbabek/cassandra,mshuler/cassandra,clohfink/cassandra,josh-mckenzie/cassandra,bmel/cassandra,strapdata/cassandra,jeromatron/cassandra,bpupadhyaya/cassandra,RyanMagnusson/cassandra,hengxin/cassandra,pauloricardomg/cassandra,mkjellman/cassandra,strapdata/cassandra,rackerlabs/cloudmetrics-cassandra,caidongyun/cassandra,blambov/cassandra,AtwooTM/cassandra,qinjin/mdtc-cassandra,sharvanath/cassandra,DICL/cassandra,EnigmaCurry/cassandra,aboudreault/cassandra,yhnishi/cassandra,thelastpickle/cassandra,macintoshio/cassandra,jkni/cassandra,guanxi55nba/db-improvement,sayanh/ViewMaintenanceCassandra,weideng1/cassandra,Bj0rnen/cassandra,ptnapoleon/cassandra,dongjiaqiang/cassandra,mike-tr-adamson/cassandra,ibmsoe/cassandra,blambov/cassandra,mgmuscari/cassandra-cdh4,tongjixianing/projects,jeromatron/cassandra,tongjixianing/projects,bdeggleston/cassandra,taigetco/cassandra_read,exoscale/cassandra,taigetco/cassandra_read,leomrocha/cassandra,dprguiuc/Cassandra-Wasef,swps/cassandra,szhou1234/cassandra,apache/cassandra,pthomaid/cassandra,phact/cassandra,a-buck/cassandra,instaclustr/cassandra,bdeggleston/cassandra,bcoverston/cassandra,jeffjirsa/cassandra,Stratio/cassandra,szhou1234/cassandra,scaledata/cassandra,sriki77/cassandra,aarushi12002/cassandra,mike-tr-adamson/cassandra,heiko-braun/cassandra,tongjixianing/projects,pofallon/cassandra,kangkot/stratio-cassandra,iburmistrov/Cassandra,a-buck/cassandra,ifesdjeen/cassandra,yukim/cassandra,jeffjirsa/cassandra,pofallon/cassandra,GabrielNicolasAvellaneda/cassandra,yanbit/cassandra,weipinghe/cassandra