DEV: simpler Dangerfile logic (#6911)

DEV: simpler Dangerfile logic (#6911)

diff --git a/Dangerfile b/Dangerfile
index f1c779c..2f6e4c3 100644
--- a/Dangerfile
+++ b/Dangerfile
@@ -19,8 +19,8 @@ if locales_changes.any? && has_non_en_locales_changes
 end
 
 files = (git.added_files + git.modified_files)
-  .reject! { |path| path.start_with?("plugins/") }
-  .reject! { |path| !(path.end_with?("es6") || path.end_with?("rb")) }
+  .select { |path| !path.start_with?("plugins/") }
+  .select { |path| path.end_with?("es6") || path.end_with?("rb") }
 
 super_offenses = []

GitHub sha: 6f0bc16b