Change web_url_without scheme to web_url_without_protocol.

app/models/project.rb

@@ -201,7 +201,7 @@ class Project < ActiveRecord::Base
     [Gitlab.config.gitlab.url, path_with_namespace].join("/")
   end
-  def web_url_without_scheme
+  def web_url_without_protocol
     web_url.split("://")[1]
   end

app/views/layouts/_head.html.haml

@@ -23,5 +23,5 @@
   -# Go repository retrieval support.
   - if controller_name == 'projects' && action_name == 'show'
-    %meta{name: "go-import", content: "#{@project.web_url_without_scheme} git #{@project.web_url}.git"}
+    %meta{name: "go-import", content: "#{@project.web_url_without_protocol} git #{@project.web_url}.git"}