Remove unused `Project#web_url_without_protocol` method

app/models/project.rb

@@ -609,10 +609,6 @@ def web_url
     Gitlab::Routing.url_helpers.namespace_project_url(self.namespace, self)
   end
 
-  def web_url_without_protocol
-    web_url.split('://')[1]
-  end
-
   def new_issue_address(author)
     return unless Gitlab::IncomingEmail.supports_issue_creation? && author
 

spec/models/project_spec.rb

@@ -362,14 +362,6 @@
     end
   end
 
-  describe "#web_url_without_protocol" do
-    let(:project) { create(:empty_project, path: "somewhere") }
-
-    it 'returns the web URL without the protocol for this repo' do
-      expect(project.web_url_without_protocol).to eq("#{Gitlab.config.gitlab.url.split('://')[1]}/#{project.namespace.path}/somewhere")
-    end
-  end
-
   describe "#new_issue_address" do
     let(:project) { create(:empty_project, path: "somewhere") }
     let(:user) { create(:user) }