remove some obsolete release steps

Author: SethTisue

.github/ISSUE_TEMPLATE/release.md

@@ -199,12 +199,10 @@ If there are delays downstream, at some point it may make sense to go ahead and
 - ~If it's a major release:~
   - ~Update `latestSpecVersion` in `spec/_config.yml` on the old branch, so that spec is marked as no longer current~
   - ~Ditto for the nightly build and spec links in `_data/footer.yml` and `_data/doc-nav-header.yml` on docs.scala-lang.org~
-- [ ] Create PR to update https://github.com/lightbend/lightbend-technology-intro-doc/blob/master/docs/modules/getting-help/pages/build-dependencies.adoc
 - (Lightbend) Fortify:
   - [ ] Publish scala-fortify-plugin
   - [ ] Update scala-fortify
   - [ ] Update scala-fortify-docs
-- [ ] (Lightbend) Update whatever we replaced WhiteSource with, if anything?
 - [ ] (Lightbend) Notify eng-updates
 - [ ] Update https://contributors.scala-lang.org thread
 - [ ] Create a scala/scala PR to: