vincepri: ­čĆâRemove release note section from PR template

JobBuild
1300
08-21 17:42
pull-cluster-api-build 1164231193210654724
pull-cluster-api-integration 1164231193210654720
pull-cluster-api-make 1164231193210654722
pull-cluster-api-test 1164235467181264896 1164231193210654723
pull-cluster-api-vendor-in-sync 1164231193210654721
pull-cluster-api-verify 1164231193206460422