Remove trailing slash on bitbucket v2 endpoint

Author: mauromorales

lib/bitbucket_rest_api/repos/keys.rb

@@ -59,7 +59,7 @@ def create(user_name_or_project_key, repo_name, params={})
               # but has been tested
               "/1.0/projects/#{user_name_or_project_key}/repos/#{repo_name.downcase}/ssh"
             else
-              "/2.0/repositories/#{user_name_or_project_key}/#{repo.downcase}/deploy-keys/"
+              "/2.0/repositories/#{user_name_or_project_key}/#{repo.downcase}/deploy-keys"
             end
 
       post_request(url, params, options)

spec/bitbucket_rest_api/repos/keys_spec.rb

@@ -29,7 +29,7 @@
     before do
       expect(deploy_keys).to receive(:request).with(
         :post,
-        '/2.0/repositories/mock_username/mock_repo/deploy-keys/',
+        '/2.0/repositories/mock_username/mock_repo/deploy-keys',
         { 'key' => 'mock_ssh_key', 'label' => 'mock_label' },
         { headers: { "Content-Type" => "application/json" } }
       )