remove unnecessary ChildUpdateRequest() (#376)
remove unnecessary ChildUpdateRequest() (#376)


erja-gp/openthread,turon/openthread,fbsder/openthread,xiaom-GitHub/openthread,lanyuwen/openthread,LeZhang2016/openthread,jjlee9/openthread,bukepo/openthread,jwhui/openthread,nibanks/openthread,pvanhorn/openthread,erja-gp/openthread,gandreello/openthread,aeliot/openthread,aeliot/openthread,erja-gp/openthread,jjlee3/openthread,nibanks/openthread,abtink/openthread,lanyuwen/openthread,gandreello/openthread,openthread/openthread,jjlee3/openthread,Zolertia/openthread,openthread/openthread,mszczodrak/openthread,lanyuwen/openthread,nibanks/openthread,xiaom-GitHub/openthread,LeZhang2016/openthread,lanyuwen/openthread,vaas-krish/openthread,aeliot/openthread,jjlee9/openthread,GiedriusM/openthread,turon/openthread,nibanks/openthread,lanyuwen/openthread,LeZhang2016/openthread,erja-gp/openthread,georgecpr/openthread,vaas-krish/openthread,abtink/openthread,openthread/openthread,Zolertia/openthread,gandreello/openthread,srickardti/openthread,fbsder/openthread,pvanhorn/openthread,LeZhang2016/openthread,xiaom-GitHub/openthread,vaas-krish/openthread,vaas-krish/openthread,librasungirl/openthread,srickardti/openthread,erja-gp/openthread,fbsder/openthread,jwhui/openthread,fbsder/openthread,chshu/openthread,JakubBrachTieto/openthread,gandreello/openthread,JakubBrachTieto/openthread,nibanks/openthread,chshu/openthread,Zolertia/openthread,xiaom-GitHub/openthread,mszczodrak/openthread,gandreello/openthread,jjlee3/openthread,abtink/openthread,bukepo/openthread,mszczodrak/openthread,srickardti/openthread,librasungirl/openthread,GiedriusM/openthread,chshu/openthread,librasungirl/openthread,vaas-krish/openthread,pvanhorn/openthread,mszczodrak/openthread,jwhui/openthread,pvanhorn/openthread,fbsder/openthread,mszczodrak/openthread,jwhui/openthread,JakubBrachTieto/openthread,librasungirl/openthread,Zolertia/openthread,JakubBrachTieto/openthread,pvanhorn/openthread,chshu/openthread,erja-gp/openthread,aeliot/openthread,vaas-krish/openthread,JakubBrachTieto/openthread,jjlee9/openthread,jjlee9/openthread,GiedriusM/openthread,LeZhang2016/openthread,lanyuwen/openthread,jjlee9/openthread,georgecpr/openthread,aeliot/openthread,bukepo/openthread,georgecpr/openthread,jjlee3/openthread,gandreello/openthread,GiedriusM/openthread,nibanks/openthread,pvanhorn/openthread,Zolertia/openthread,mszczodrak/openthread,chshu/openthread,abtink/openthread,JakubBrachTieto/openthread,georgecpr/openthread,georgecpr/openthread,georgecpr/openthread,bukepo/openthread,srickardti/openthread,jjlee3/openthread,aeliot/openthread,openthread/openthread,turon/openthread,LeZhang2016/openthread,GiedriusM/openthread,jjlee9/openthread,xiaom-GitHub/openthread,xiaom-GitHub/openthread,fbsder/openthread,chshu/openthread,turon/openthread