of13 OFPTableFeaturesStatsRequest: remove an unused argument
of13 OFPTableFeaturesStatsRequest: remove an unused argument

and while i'm here, document arguments.

Signed-off-by: YAMAMOTO Takashi <458bba2e4a8704776b33478100c98529b639cd9e@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

gareging/SDN_Framework,lagopus/ryu-lagopus-ext,fkakuma/ryu,OpenState-SDN/ryu,John-Lin/ryu,alyosha1879/ryu,jazzmes/ryu,StephenKing/ryu,elahejalalpour/ELRyu,sivaramakrishnansr/ryu,jkoelker/ryu,openvapour/ryu,iwaseyusuke/ryu,Tejas-Subramanya/RYU_MEC,jkoelker/ryu,evanscottgray/ryu,sivaramakrishnansr/ryu,gopchandani/ryu,ynkjm/ryu,pichuang/ryu,zyq001/ryu,osrg/ryu,umkcdcrg01/ryu_openflow,hisaharu/ryu,yamt/ryu,StephenKing/summerschool-2015-ryu,muzixing/ryu,pichuang/ryu,sivaramakrishnansr/ryu,torufuru/oolhackathon,zangree/ryu,zyq001/ryu,elahejalalpour/ELRyu,diogommartins/ryu,fujita/ryu,openvapour/ryu,jkoelker/ryu,torufuru/OFPatchPanel,lsqtongxin/ryu,John-Lin/ryu,mikhaelharswanto/ryu,osrg/ryu,StephenKing/ryu,jazzmes/ryu,yamt/ryu,ysywh/ryu,habibiefaried/ryu,hisaharu/ryu,pichuang/ryu,TakeshiTseng/ryu,darjus-amzn/ryu,gopchandani/ryu,jazzmes/ryu,John-Lin/ryu,ntts-clo/ryu,jalilm/ryu,John-Lin/ryu,openvapour/ryu,ysywh/ryu,Zouyiran/ryu,muzixing/ryu,zyq001/ryu,StephenKing/ryu,Tesi-Luca-Davide/ryu,takahashiminoru/ryu,yamt/ryu,iwaseyusuke/ryu,zyq001/ryu,zangree/ryu,fkakuma/ryu,fkakuma/ryu,elahejalalpour/ELRyu,osrg/ryu,ynkjm/ryu,pichuang/ryu,ttsubo/ryu,torufuru/oolhackathon,zyq001/ryu,OpenState-SDN/ryu,diogommartins/ryu,ttsubo/ryu,zangree/ryu,ynkjm/ryu,Zouyiran/ryu,ntts-clo/ryu,habibiefaried/ryu,alyosha1879/ryu,muzixing/ryu,OpenState-SDN/ryu,Zouyiran/ryu,jalilm/ryu,muzixing/ryu,Tejas-Subramanya/RYU_MEC,hisaharu/ryu,diogommartins/ryu,sivaramakrishnansr/ryu,torufuru/oolhackathon,StephenKing/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,StephenKing/summerschool-2015-ryu,openvapour/ryu,ysywh/ryu,alanquillin/ryu,takahashiminoru/ryu,ynkjm/ryu,shinpeimuraoka/ryu,lsqtongxin/ryu,alyosha1879/ryu,lsqtongxin/ryu,zangree/ryu,pichuang/ryu,osrg/ryu,jalilm/ryu,o3project/ryu-oe,jalilm/ryu,haniehrajabi/ryu,TakeshiTseng/ryu,jalilm/ryu,hisaharu/ryu,habibiefaried/ryu,yamada-h/ryu,John-Lin/ryu,castroflavio/ryu,gareging/SDN_Framework,iwaseyusuke/ryu,takahashiminoru/ryu,Tesi-Luca-Davide/ryu,lzppp/mylearning,muzixing/ryu,zangree/ryu,lzppp/mylearning,lzppp/mylearning,takahashiminoru/ryu,umkcdcrg01/ryu_openflow,fujita/ryu,osrg/ryu,haniehrajabi/ryu,OpenState-SDN/ryu,yamada-h/ryu,Tesi-Luca-Davide/ryu,shinpeimuraoka/ryu,gopchandani/ryu,OpenState-SDN/ryu,StephenKing/summerschool-2015-ryu,gareging/SDN_Framework,Zouyiran/ryu,haniehrajabi/ryu,alanquillin/ryu,Tejas-Subramanya/RYU_MEC,Tesi-Luca-Davide/ryu,TakeshiTseng/ryu,alanquillin/ryu,ntts-clo/mld-ryu,Zouyiran/ryu,ttsubo/ryu,elahejalalpour/ELRyu,gareging/SDN_Framework,darjus-amzn/ryu,umkcdcrg01/ryu_openflow,ynkjm/ryu,darjus-amzn/ryu,ttsubo/ryu,alyosha1879/ryu,fkakuma/ryu,sivaramakrishnansr/ryu,o3project/ryu-oe,castroflavio/ryu,habibiefaried/ryu,Tejas-Subramanya/RYU_MEC,umkcdcrg01/ryu_openflow,diogommartins/ryu,evanscottgray/ryu,iwaseyusuke/ryu,elahejalalpour/ELRyu,shinpeimuraoka/ryu,umkcdcrg01/ryu_openflow,lagopus/ryu-lagopus-ext,lsqtongxin/ryu,lzppp/mylearning,habibiefaried/ryu,gareging/SDN_Framework,lagopus/ryu-lagopus-ext,alanquillin/ryu,fujita/ryu,ysywh/ryu,TakeshiTseng/ryu,lagopus/ryu-lagopus-ext,openvapour/ryu,fkakuma/ryu,hisaharu/ryu,StephenKing/summerschool-2015-ryu,evanscottgray/ryu,lzppp/mylearning,fujita/ryu,iwaseyusuke/ryu,takahashiminoru/ryu,fujita/ryu,TakeshiTseng/ryu,gopchandani/ryu,shinpeimuraoka/ryu,lagopus/ryu-lagopus-ext,haniehrajabi/ryu,torufuru/OFPatchPanel,haniehrajabi/ryu,ntts-clo/mld-ryu,diogommartins/ryu,castroflavio/ryu,mikhaelharswanto/ryu,lsqtongxin/ryu,darjus-amzn/ryu,StephenKing/ryu,Tesi-Luca-Davide/ryu,gopchandani/ryu,ysywh/ryu,alanquillin/ryu,ttsubo/ryu,StephenKing/summerschool-2015-ryu,yamt/ryu,darjus-amzn/ryu,yamt/ryu