[8.x] [DOCS] Remove coming tag from 8.0.0-beta1 release notes (#80192)
[8.x] [DOCS] Remove coming tag from 8.0.0-beta1 release notes (#80192)

DO NOT MERGE UNTIL RELEASE DAY
GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch