chore: update codeowners (#1)

Author: overbalance

.github/CODEOWNERS

@@ -1,7 +1,7 @@
 # Learn about membership in the OpenTelemetry community:
 # https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md
-# 
-# Learn about CODEOWNERS file format: 
+#
+# Learn about CODEOWNERS file format:
 # https://help.github.com/en/articles/about-code-owners
 
-* @open-telemetry/@open-telemetry/browser-approvers
+* @open-telemetry/browser-approvers