Minor cleanup, teams have been adjusted upstream

CODEOWNERS

@@ -1,13 +1,10 @@
-# https://blog.mergify.com/github-codeowners-on-steroids/
-
-
 # These owners will be the default owners for everything in
 # the repo. Unless a later match takes precedence,
-# @stacks-network/blockchain-team/codeowners will be requested for
+# @stacks-network/blockchain-team-codeowners will be requested for
 # review when someone opens a pull request.
 * @stacks-network/blockchain-team-codeowners
 
-# Generic file extensions that shouldn't require much scrutiny
+# Generic file extensions that shouldn't require much scrutiny. Anyone with write access to the repo may approve a PR
 *.md @stacks-network/blockchain-team
 *.yml @stacks-network/blockchain-team
 *.yaml @stacks-network/blockchain-team
@@ -20,7 +17,4 @@ stacks-signer/**/*.rs @stacks-network/blockchain-team-signer
 
 # CI workflows
 ./github/workflows/ @stacks-network/blockchain-team-ci
-./github/actions/ @stacks-network/blockchain-team-ci
-
-# Require a codeowner approval for changes to this file
-# .github/CODEOWNERS @stacks-network/blockchain-team-codeowners
+./github/actions/ @stacks-network/blockchain-team-ci