Tweak RemoveLog helper

Leave responding up to the endpoint
Remove unnecessary parameter from the helper's parameter

lib/travis/api/app/endpoint/jobs.rb

@@ -67,7 +67,7 @@ class Travis::Api::App
       end
 
       patch '/:id/log', scope: :private do |id|
-        patch_log_for_job(id, params)
+        respond_with patch_log_for_job(params)
       end
 
       get "/:job_id/annotations" do

lib/travis/api/app/endpoint/logs.rb

@@ -12,8 +12,8 @@ class Travis::Api::App
 
       # Clears up the content of the log by the *job id*
       # Optionally takes parameter *reason*
-      patch '/:id' do |id|
-        patch_log_for_job(id, params)
+      patch '/:id' do
+        respond_with patch_log_for_job(params)
       end
     end
   end

lib/travis/api/app/helpers.rb

@@ -5,9 +5,8 @@ class Travis::Api::App
   module Helpers
     Backports.require_relative_dir 'helpers'
 
-    def patch_log_for_job(id, params)
-      result = self.service(:remove_log, params)
-      respond_with result
+    def patch_log_for_job(params)
+      self.service(:remove_log, params).run
     rescue Travis::AuthorizationDenied => ade
       status 401
       { error: { message: ade.message } }