Do not use context in db.sqla.api private methods
Do not use context in db.sqla.api private methods

We shouldn't check context in private methods,
because context are already checked by public
methods.

Change-Id: I5582c7761c4fb2b2fbfee6e5a2ba77a4c7dd8583

leilihh/nova,vmturbo/nova,rrader/nova-docker-plugin,viggates/nova,angdraug/nova,leilihh/novaha,LoHChina/nova,imsplitbit/nova,NeCTAR-RC/nova,badock/nova,ewindisch/nova,vmturbo/nova,sacharya/nova,imsplitbit/nova,luogangyi/bcec-nova,OpenAcademy-OpenStack/nova-scheduler,redhat-openstack/nova,saleemjaveds/https-github.com-openstack-nova,zhimin711/nova,mikalstill/nova,JianyuWang/nova,phenoxim/nova,Yusuke1987/openstack_template,virtualopensystems/nova,zaina/nova,tealover/nova,tianweizhang/nova,gooddata/openstack-nova,mgagne/nova,blueboxgroup/nova,mikalstill/nova,MountainWei/nova,eonpatapon/nova,cyx1231st/nova,barnsnake351/nova,bclau/nova,zzicewind/nova,rajalokan/nova,cloudbase/nova,rajalokan/nova,CEG-FYP-OpenStack/scheduler,projectcalico/calico-nova,ntt-sic/nova,vladikr/nova_drafts,bgxavier/nova,watonyweng/nova,ted-gould/nova,devendermishrajio/nova_test_latest,akash1808/nova_test_latest,rajalokan/nova,CiscoSystems/nova,klmitch/nova,Francis-Liu/animated-broccoli,rahulunair/nova,dims/nova,mandeepdhami/nova,citrix-openstack-build/nova,affo/nova,fnordahl/nova,whitepages/nova,apporc/nova,mahak/nova,zaina/nova,cloudbau/nova,SUSE-Cloud/nova,vmturbo/nova,JioCloud/nova_test_latest,Metaswitch/calico-nova,bgxavier/nova,TwinkleChawla/nova,joker946/nova,TieWei/nova,luogangyi/bcec-nova,CloudServer/nova,tealover/nova,akash1808/nova,sacharya/nova,cernops/nova,mahak/nova,adelina-t/nova,j-carpentier/nova,ruslanloman/nova,double12gzh/nova,dims/nova,cloudbase/nova,leilihh/novaha,apporc/nova,JianyuWang/nova,iuliat/nova,eayunstack/nova,orbitfp7/nova,mikalstill/nova,raildo/nova,isyippee/nova,tianweizhang/nova,Tehsmash/nova,gooddata/openstack-nova,silenceli/nova,nikesh-mahalka/nova,vmturbo/nova,JioCloud/nova_test_latest,CiscoSystems/nova,devendermishrajio/nova,eharney/nova,edulramirez/nova,akash1808/nova,alaski/nova,bclau/nova,Yuriy-Leonov/nova,yosshy/nova,leilihh/nova,gooddata/openstack-nova,kimjaejoong/nova,berrange/nova,dawnpower/nova,BeyondTheClouds/nova,rickerc/nova_audit,petrutlucian94/nova_dev,varunarya10/nova_test_latest,nikesh-mahalka/nova,cyx1231st/nova,phenoxim/nova,whitepages/nova,Metaswitch/calico-nova,yatinkumbhare/openstack-nova,maelnor/nova,jianghuaw/nova,spring-week-topos/nova-week,openstack/nova,eonpatapon/nova,OpenAcademy-OpenStack/nova-scheduler,hanlind/nova,devendermishrajio/nova,klmitch/nova,Tehsmash/nova,mgagne/nova,ntt-sic/nova,takeshineshiro/nova,noironetworks/nova,devoid/nova,belmiromoreira/nova,mmnelemane/nova,Yuriy-Leonov/nova,TieWei/nova,belmiromoreira/nova,Stavitsky/nova,cloudbase/nova,shahar-stratoscale/nova,ewindisch/nova,alvarolopez/nova,openstack/nova,jianghuaw/nova,saleemjaveds/https-github.com-openstack-nova,Juniper/nova,dawnpower/nova,spring-week-topos/nova-week,cloudbase/nova-virtualbox,tudorvio/nova,zhimin711/nova,cernops/nova,jianghuaw/nova,double12gzh/nova,alvarolopez/nova,angdraug/nova,scripnichenko/nova,BeyondTheClouds/nova,blueboxgroup/nova,hanlind/nova,mmnelemane/nova,citrix-openstack-build/nova,zzicewind/nova,cloudbase/nova-virtualbox,tanglei528/nova,CEG-FYP-OpenStack/scheduler,ruslanloman/nova,berrange/nova,scripnichenko/nova,ted-gould/nova,tangfeixiong/nova,watonyweng/nova,tudorvio/nova,varunarya10/nova_test_latest,adelina-t/nova,shahar-stratoscale/nova,tangfeixiong/nova,virtualopensystems/nova,Juniper/nova,viggates/nova,rahulunair/nova,iuliat/nova,bigswitch/nova,eayunstack/nova,sebrandon1/nova,openstack/nova,shail2810/nova,akash1808/nova_test_latest,plumgrid/plumgrid-nova,silenceli/nova,eharney/nova,raildo/nova,fnordahl/nova,Juniper/nova,rajalokan/nova,redhat-openstack/nova,cloudbau/nova,felixma/nova,JioCloud/nova,thomasem/nova,takeshineshiro/nova,MountainWei/nova,sebrandon1/nova,Francis-Liu/animated-broccoli,BeyondTheClouds/nova,LoHChina/nova,gooddata/openstack-nova,noironetworks/nova,CCI-MOC/nova,projectcalico/calico-nova,mandeepdhami/nova,petrutlucian94/nova,isyippee/nova,alexandrucoman/vbox-nova-driver,badock/nova,Yusuke1987/openstack_template,kimjaejoong/nova,CloudServer/nova,devendermishrajio/nova_test_latest,devoid/nova,Juniper/nova,NeCTAR-RC/nova,SUSE-Cloud/nova,petrutlucian94/nova_dev,edulramirez/nova,plumgrid/plumgrid-nova,thomasem/nova,tanglei528/nova,shail2810/nova,jeffrey4l/nova,affo/nova,klmitch/nova,jianghuaw/nova,maelnor/nova,CCI-MOC/nova,bigswitch/nova,joker946/nova,alexandrucoman/vbox-nova-driver,vladikr/nova_drafts,Stavitsky/nova,yatinkumbhare/openstack-nova,hanlind/nova,alaski/nova,cernops/nova,klmitch/nova,felixma/nova,j-carpentier/nova,mahak/nova,rahulunair/nova,JioCloud/nova,orbitfp7/nova,yosshy/nova,rrader/nova-docker-plugin,TwinkleChawla/nova,barnsnake351/nova,petrutlucian94/nova,sebrandon1/nova,rickerc/nova_audit,jeffrey4l/nova