Remove Author tag. I guess it really isn't used anymore.

lib/template.html

@@ -104,10 +104,6 @@
   <meta property="og:title" content="{{ seo_page_title }}" />
 {% endif %}
 
-{% if seo_author %}
-  <meta name="author" content="{{ seo_author }}" />
-{% endif %}
-
 {% if seo_description %}
   <meta name="description" content="{{ seo_description }}" />
   <meta property="og:description" content="{{ seo_description }}" />

spec/jekyll_seo_tag_spec.rb

@@ -70,14 +70,6 @@ describe Jekyll::SeoTag do
     end
   end
 
-  context "with page.author" do
-    let(:page) { make_page("author" => "Mr. Foo") }
-
-    it "uses the page author" do
-      expect(output).to match(%r!<meta name="author" content="Mr. Foo" />!)
-    end
-  end
-
   context "with page.excerpt" do
     let(:page) { make_page("excerpt" => "foo") }