Kill unused Pathname #media_type and #sub_type

lib/linguist/pathname.rb

@@ -85,30 +85,6 @@ module Linguist
       @mime_type ||= Mime.mime_for(extname)
     end
 
-    # Public: Get the mime media type
-    #
-    # Examples
-    #
-    #   Pathname.new('index.html').media_type
-    #   # => 'text'
-    #
-    # Returns a media type String.
-    def media_type
-      mime_type.split('/')[0]
-    end
-
-    # Public: Get the mime sub type
-    #
-    # Examples
-    #
-    #   Pathname.new('index.html').sub_type
-    #   # => 'html'
-    #
-    # Returns a media type String.
-    def sub_type
-      mime_type.split('/')[1]
-    end
-
     # Public: Get the Content-Type header
     #
     # This value is used when serving raw blobs.

test/test_pathname.rb

@@ -63,10 +63,4 @@ class TestPathname < Test::Unit::TestCase
     assert_equal 'text/plain; charset=utf-8', Pathname.new("file.rb").content_type
     assert_equal 'image/png', Pathname.new("octocat.png").content_type
   end
-
-  def test_media_type
-    assert_equal 'text', Pathname.new("file.js").media_type
-    assert_equal 'text', Pathname.new("file.txt").media_type
-    assert_equal 'text', Pathname.new("defun.kt").media_type
-  end
 end