Cleanup in the core/net/pom.xml file after the "onos-core-hz-net" project was removed.
Cleanup in the core/net/pom.xml file after the "onos-core-hz-net"
project was removed.

Reviewed by: Yuta

kuujo/onos,jmiserez/onos,VinodKumarS-Huawei/ietf96yang,kkkane/ONOS,Shashikanth-Huawei/bmp,VinodKumarS-Huawei/ietf96yang,rvhub/onos,lsinfo3/onos,packet-tracker/onos,sdnwiselab/onos,oplinkoms/onos,donNewtonAlpha/onos,CNlukai/onos-gerrit-test,kuujo/onos,osinstom/onos,donNewtonAlpha/onos,y-higuchi/onos,Shashikanth-Huawei/bmp,maheshraju-Huawei/actn,SmartInfrastructures/dreamer,ravikumaran2015/ravikumaran201504,rvhub/onos,sonu283304/onos,oplinkoms/onos,gkatsikas/onos,CNlukai/onos-gerrit-test,y-higuchi/onos,sdnwiselab/onos,oplinkoms/onos,opennetworkinglab/onos,y-higuchi/onos,oeeagle/onos,chenxiuyang/onos,zsh2938/onos,oplinkoms/onos,opennetworkinglab/onos,kuujo/onos,chenxiuyang/onos,donNewtonAlpha/onos,mengmoya/onos,donNewtonAlpha/onos,jinlongliu/onos,ravikumaran2015/ravikumaran201504,chenxiuyang/onos,LorenzReinhart/ONOSnew,SmartInfrastructures/dreamer,maheshraju-Huawei/actn,Shashikanth-Huawei/bmp,maheshraju-Huawei/actn,VinodKumarS-Huawei/ietf96yang,osinstom/onos,mengmoya/onos,maheshraju-Huawei/actn,opennetworkinglab/onos,Shashikanth-Huawei/bmp,castroflavio/onos,lsinfo3/onos,kuujo/onos,sonu283304/onos,zsh2938/onos,rvhub/onos,packet-tracker/onos,jmiserez/onos,maheshraju-Huawei/actn,y-higuchi/onos,jinlongliu/onos,jinlongliu/onos,oeeagle/onos,gkatsikas/onos,castroflavio/onos,SmartInfrastructures/dreamer,LorenzReinhart/ONOSnew,oplinkoms/onos,ravikumaran2015/ravikumaran201504,planoAccess/clonedONOS,planoAccess/clonedONOS,kuangrewawa/onos,mengmoya/onos,kuangrewawa/onos,kuujo/onos,kuujo/onos,kkkane/ONOS,LorenzReinhart/ONOSnew,osinstom/onos,rvhub/onos,osinstom/onos,sdnwiselab/onos,planoAccess/clonedONOS,castroflavio/onos,oeeagle/onos,VinodKumarS-Huawei/ietf96yang,sonu283304/onos,y-higuchi/onos,LorenzReinhart/ONOSnew,planoAccess/clonedONOS,jmiserez/onos,Shashikanth-Huawei/bmp,sonu283304/onos,kkkane/ONOS,gkatsikas/onos,zsh2938/onos,kkkane/ONOS,chinghanyu/onos,chenxiuyang/onos,gkatsikas/onos,gkatsikas/onos,opennetworkinglab/onos,osinstom/onos,lsinfo3/onos,sdnwiselab/onos,jinlongliu/onos,kuangrewawa/onos,chinghanyu/onos,chinghanyu/onos,castroflavio/onos,opennetworkinglab/onos,gkatsikas/onos,packet-tracker/onos,chinghanyu/onos,CNlukai/onos-gerrit-test,sdnwiselab/onos,jmiserez/onos,oeeagle/onos,oplinkoms/onos,CNlukai/onos-gerrit-test,kuujo/onos,mengmoya/onos,oplinkoms/onos,sdnwiselab/onos,LorenzReinhart/ONOSnew,donNewtonAlpha/onos,opennetworkinglab/onos,zsh2938/onos,VinodKumarS-Huawei/ietf96yang,lsinfo3/onos,mengmoya/onos,packet-tracker/onos