Fix release notes for OTP-21.0.2
Fix release notes for OTP-21.0.2

The release notes generated in the README and notes.xml were out of
sync, and notes.xml erroneously listed a fixed bug as open.

dgud/otp,vinoski/otp,tuncer/otp,bsmr-erlang/otp,potatosalad/otp,uabboli/otp,potatosalad/otp,RaimoNiskanen/otp,ferd/otp,electricimp/otp,jj1bdx/otp,saleyn/otp,dgud/otp,vinoski/otp,g-andrade/otp,bjorng/otp,RoadRunnr/otp,uabboli/otp,RaimoNiskanen/otp,potatosalad/otp,emacsmirror/erlang,tuncer/otp,fenollp/otp,isvilen/otp,bjorng/otp,ferd/otp,fenollp/otp,jj1bdx/otp,tuncer/otp,RaimoNiskanen/otp,RoadRunnr/otp,g-andrade/otp,dgud/otp,mikpe/otp,jj1bdx/otp,electricimp/otp,vinoski/otp,dumbbell/otp,vladdu/otp,jj1bdx/otp,isvilen/otp,rlipscombe/otp,saleyn/otp,emacsmirror/erlang,getong/otp,mikpe/otp,isvilen/otp,getong/otp,emacsmirror/erlang,RaimoNiskanen/otp,legoscia/otp,getong/otp,mikpe/otp,emacsmirror/erlang,saleyn/otp,potatosalad/otp,RaimoNiskanen/otp,kvakvs/otp,vinoski/otp,electricimp/otp,kvakvs/otp,rlipscombe/otp,bsmr-erlang/otp,electricimp/otp,bjorng/otp,bsmr-erlang/otp,legoscia/otp,potatosalad/otp,uabboli/otp,erlang/otp,electricimp/otp,jj1bdx/otp,vinoski/otp,emacsmirror/erlang,erlang/otp,emacsmirror/erlang,kvakvs/otp,aboroska/otp,bjorng/otp,dumbbell/otp,uabboli/otp,legoscia/otp,aboroska/otp,ferd/otp,uabboli/otp,RoadRunnr/otp,dumbbell/otp,kvakvs/otp,isvilen/otp,lrascao/otp,vladdu/otp,aboroska/otp,potatosalad/otp,legoscia/otp,erlang/otp,legoscia/otp,dgud/otp,lrascao/otp,saleyn/otp,vinoski/otp,rlipscombe/otp,g-andrade/otp,kvakvs/otp,dumbbell/otp,bsmr-erlang/otp,getong/otp,g-andrade/otp,tuncer/otp,lrascao/otp,mikpe/otp,vladdu/otp,rlipscombe/otp,fenollp/otp,RoadRunnr/otp,legoscia/otp,bsmr-erlang/otp,lrascao/otp,potatosalad/otp,vinoski/otp,aboroska/otp,ferd/otp,g-andrade/otp,isvilen/otp,dumbbell/otp,jj1bdx/otp,vladdu/otp,saleyn/otp,getong/otp,uabboli/otp,erlang/otp,rlipscombe/otp,erlang/otp,aboroska/otp,mikpe/otp,fenollp/otp,erlang/otp,emacsmirror/erlang,rlipscombe/otp,tuncer/otp,lrascao/otp,g-andrade/otp,tuncer/otp,bjorng/otp,lrascao/otp,vladdu/otp,isvilen/otp,isvilen/otp,dgud/otp,dgud/otp,aboroska/otp,dgud/otp,uabboli/otp,dgud/otp,mikpe/otp,fenollp/otp,legoscia/otp,rlipscombe/otp,lrascao/otp,getong/otp,RaimoNiskanen/otp,mikpe/otp,potatosalad/otp,vinoski/otp,fenollp/otp,RaimoNiskanen/otp,dgud/otp,jj1bdx/otp,saleyn/otp,ferd/otp,bjorng/otp,RoadRunnr/otp,dumbbell/otp,bjorng/otp,RoadRunnr/otp,ferd/otp,vinoski/otp,dumbbell/otp,fenollp/otp,electricimp/otp,RaimoNiskanen/otp,ferd/otp,g-andrade/otp,ferd/otp,getong/otp,aboroska/otp,kvakvs/otp,dumbbell/otp,jj1bdx/otp,dumbbell/otp,vladdu/otp,erlang/otp,kvakvs/otp,mikpe/otp,fenollp/otp,saleyn/otp,erlang/otp,getong/otp,jj1bdx/otp,aboroska/otp,potatosalad/otp,RoadRunnr/otp,isvilen/otp,uabboli/otp,g-andrade/otp,legoscia/otp,rlipscombe/otp,uabboli/otp,isvilen/otp,bjorng/otp,bsmr-erlang/otp,rlipscombe/otp,g-andrade/otp,ferd/otp,vladdu/otp,RoadRunnr/otp,fenollp/otp,bjorng/otp,emacsmirror/erlang,lrascao/otp,bsmr-erlang/otp,kvakvs/otp,mikpe/otp,bsmr-erlang/otp,lrascao/otp,erlang/otp,dgud/otp,erlang/otp,emacsmirror/erlang,vladdu/otp,getong/otp,g-andrade/otp,electricimp/otp,jj1bdx/otp,dumbbell/otp,getong/otp,electricimp/otp,vladdu/otp,tuncer/otp,tuncer/otp,bsmr-erlang/otp,tuncer/otp,vinoski/otp,emacsmirror/erlang,kvakvs/otp,saleyn/otp,RaimoNiskanen/otp,legoscia/otp,saleyn/otp,potatosalad/otp,aboroska/otp,electricimp/otp,RoadRunnr/otp,mikpe/otp,isvilen/otp,rlipscombe/otp,bjorng/otp