Ignore module maintainer reviews when requesting BCR maintainer review (#2576)

Context:
https://github.com/bazelbuild/continuous-integration/pull/2499#discussion_r3125237088

actions/bcr-pr-reviewer/index.js

diff --git a/actions/bcr-pr-reviewer/index.js b/actions/bcr-pr-reviewer/index.js
index af38930..d713f08 100644
--- a/actions/bcr-pr-reviewer/index.js
+++ b/actions/bcr-pr-reviewer/index.js
@@ -152,7 +152,7 @@
     repo,
     pull_number: prNumber,
   });
-  const alreadyHasReviewer = prInfo.requested_reviewers.length > 0 || prInfo.requested_teams.length > 0 || reviews.data.length > 0;
+  const alreadyHasReviewer = prInfo.requested_reviewers.length > 0 || prInfo.requested_teams.length > 0;
 
   if (alreadyHasReviewer) {
     console.log('Skipping requesting BCR maintainers as there is already a reviewer assigned.');