Rubocop fixes for lib/jekyll/utils/ansi.rb

.rubocop.yml

@@ -62,7 +62,6 @@ AllCops:
   - lib/jekyll/tags/post_url.rb
   - lib/jekyll/theme.rb
   - lib/jekyll/url.rb
-  - lib/jekyll/utils/ansi.rb
   - lib/jekyll/utils/platforms.rb
   - lib/jekyll/utils.rb
   - lib/jekyll.rb

lib/jekyll/utils/ansi.rb

@@ -8,7 +8,7 @@ module Jekyll
       extend self
 
       ESCAPE = format("%c", 27)
-      MATCH = /#{ESCAPE}\[(?:\d+)(?:;\d+)*(j|k|m|s|u|A|B|G)|\e\(B\e\[m/ix.freeze
+      MATCH = /#{ESCAPE}\[(?:\d+)(?:;\d+)*(j|k|m|s|u|A|B|G)|\e\(B\e\[m/ix
       COLORS = {
         :red     => 31,
         :green   => 32,
@@ -18,7 +18,7 @@ module Jekyll
         :white   => 37,
         :blue    => 34,
         :cyan    => 36
-      }
+      }.freeze
 
       # Strip ANSI from the current string.  It also strips cursor stuff,
       # well some of it, and it also strips some other stuff that a lot of