chore: remove duplicate 1.2.0-rc.1 entries
chore: remove duplicate 1.2.0-rc.1 entries

bluebirdtech/material,bluebirdtech/material,oostmeijer/material,angular/material,oostmeijer/material,marekmicek/material,angular/material,bluebirdtech/material,angular/material,oostmeijer/material,angular/material,marekmicek/material,marekmicek/material,bluebirdtech/material,marekmicek/material,oostmeijer/material