[7.x] Don't automatically add license header to code inside plugins dir. (#66601)#66655

stacey-gammon merged 2 commits intoelastic:7.xelastic/kibana:7.xfrom

stacey-gammon:backport/7.x/pr-66601stacey-gammon/kibana:backport/7.x/pr-66601Copy head branch name to clipboard