Adjust to ignore generated

lib/linguist/languages.yml

@@ -2605,7 +2605,6 @@ Sass:
   group: CSS
   extensions:
   - .sass
-  - .scss
   ace_mode: sass
 
 Scala:

test/test_blob.rb

@@ -469,7 +469,7 @@ class TestBlob < Test::Unit::TestCase
     # Test language detection for files which shouldn't be used as samples
     root = File.expand_path('../fixtures', __FILE__)
     Dir.entries(root).each do |language|
-      next if language == '.' || language == '..'
+      next if language == '.' || language == '..' || File.basename(language) == 'ace_modes.json'
 
       # Each directory contains test files of a language
       dirname = File.join(root, language)