bgp: remove an unused variable from bgpspeaker
bgp: remove an unused variable from bgpspeaker

Signed-off-by: ISHIDA Wataru <15703620d0b11e835ab4f34ebf88f2f40cce783e@lab.ntt.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

umkcdcrg01/ryu_openflow,hisaharu/ryu,openvapour/ryu,ttsubo/ryu,shinpeimuraoka/ryu,haniehrajabi/ryu,umkcdcrg01/ryu_openflow,John-Lin/ryu,habibiefaried/ryu,yamt/ryu,zangree/ryu,John-Lin/ryu,elahejalalpour/ELRyu,zyq001/ryu,muzixing/ryu,openvapour/ryu,diogommartins/ryu,darjus-amzn/ryu,ysywh/ryu,gareging/SDN_Framework,jalilm/ryu,zyq001/ryu,StephenKing/summerschool-2015-ryu,Tesi-Luca-Davide/ryu,iwaseyusuke/ryu,zyq001/ryu,takahashiminoru/ryu,darjus-amzn/ryu,lzppp/mylearning,lzppp/mylearning,alyosha1879/ryu,sivaramakrishnansr/ryu,ttsubo/ryu,Tejas-Subramanya/RYU_MEC,jalilm/ryu,fujita/ryu,Tejas-Subramanya/RYU_MEC,fkakuma/ryu,habibiefaried/ryu,darjus-amzn/ryu,ynkjm/ryu,osrg/ryu,jalilm/ryu,pichuang/ryu,alanquillin/ryu,lsqtongxin/ryu,shinpeimuraoka/ryu,osrg/ryu,Tesi-Luca-Davide/ryu,gareging/SDN_Framework,yamt/ryu,jazzmes/ryu,gopchandani/ryu,jazzmes/ryu,takahashiminoru/ryu,Tejas-Subramanya/RYU_MEC,alyosha1879/ryu,OpenState-SDN/ryu,Zouyiran/ryu,muzixing/ryu,iwaseyusuke/ryu,elahejalalpour/ELRyu,openvapour/ryu,diogommartins/ryu,Tesi-Luca-Davide/ryu,fujita/ryu,gareging/SDN_Framework,zyq001/ryu,elahejalalpour/ELRyu,fkakuma/ryu,fujita/ryu,darjus-amzn/ryu,hisaharu/ryu,ysywh/ryu,haniehrajabi/ryu,yamt/ryu,ynkjm/ryu,gopchandani/ryu,gopchandani/ryu,elahejalalpour/ELRyu,jalilm/ryu,habibiefaried/ryu,ysywh/ryu,gopchandani/ryu,lzppp/mylearning,diogommartins/ryu,gopchandani/ryu,muzixing/ryu,sivaramakrishnansr/ryu,jkoelker/ryu,fkakuma/ryu,lsqtongxin/ryu,StephenKing/summerschool-2015-ryu,sivaramakrishnansr/ryu,ynkjm/ryu,umkcdcrg01/ryu_openflow,hisaharu/ryu,pichuang/ryu,lagopus/ryu-lagopus-ext,shinpeimuraoka/ryu,jkoelker/ryu,fujita/ryu,shinpeimuraoka/ryu,StephenKing/summerschool-2015-ryu,habibiefaried/ryu,haniehrajabi/ryu,elahejalalpour/ELRyu,haniehrajabi/ryu,evanscottgray/ryu,hisaharu/ryu,zangree/ryu,castroflavio/ryu,lzppp/mylearning,fkakuma/ryu,darjus-amzn/ryu,TakeshiTseng/ryu,fujita/ryu,osrg/ryu,gareging/SDN_Framework,openvapour/ryu,yamt/ryu,takahashiminoru/ryu,yamt/ryu,John-Lin/ryu,Zouyiran/ryu,zyq001/ryu,TakeshiTseng/ryu,iwaseyusuke/ryu,diogommartins/ryu,OpenState-SDN/ryu,jkoelker/ryu,lagopus/ryu-lagopus-ext,iwaseyusuke/ryu,John-Lin/ryu,Zouyiran/ryu,jalilm/ryu,StephenKing/ryu,StephenKing/ryu,alyosha1879/ryu,TakeshiTseng/ryu,umkcdcrg01/ryu_openflow,openvapour/ryu,takahashiminoru/ryu,habibiefaried/ryu,diogommartins/ryu,ttsubo/ryu,John-Lin/ryu,osrg/ryu,ttsubo/ryu,StephenKing/ryu,iwaseyusuke/ryu,fkakuma/ryu,lagopus/ryu-lagopus-ext,zangree/ryu,umkcdcrg01/ryu_openflow,alanquillin/ryu,OpenState-SDN/ryu,ysywh/ryu,Tejas-Subramanya/RYU_MEC,lsqtongxin/ryu,castroflavio/ryu,evanscottgray/ryu,lagopus/ryu-lagopus-ext,OpenState-SDN/ryu,alanquillin/ryu,Tesi-Luca-Davide/ryu,hisaharu/ryu,pichuang/ryu,OpenState-SDN/ryu,TakeshiTseng/ryu,StephenKing/summerschool-2015-ryu,zangree/ryu,shinpeimuraoka/ryu,sivaramakrishnansr/ryu,StephenKing/summerschool-2015-ryu,TakeshiTseng/ryu,gareging/SDN_Framework,ynkjm/ryu,pichuang/ryu,lsqtongxin/ryu,ysywh/ryu,StephenKing/ryu,ynkjm/ryu,lzppp/mylearning,alanquillin/ryu,muzixing/ryu,sivaramakrishnansr/ryu,StephenKing/ryu,evanscottgray/ryu,takahashiminoru/ryu,alanquillin/ryu,lagopus/ryu-lagopus-ext,pichuang/ryu,osrg/ryu,lsqtongxin/ryu,Zouyiran/ryu,Zouyiran/ryu,ttsubo/ryu,jazzmes/ryu,zangree/ryu,muzixing/ryu,Tesi-Luca-Davide/ryu,haniehrajabi/ryu,castroflavio/ryu,alyosha1879/ryu,Tejas-Subramanya/RYU_MEC