Removed unnecessary save button from Zapier screen

no issue
- save button is not needed and wasn't hooked up to any functionality (it errored if clicked)

app/templates/settings/apps/zapier.hbs

@@ -5,9 +5,6 @@
             <span>{{svg-jar "arrow-right"}}</span>
             Zapier
         </h2>
-        <section class="view-actions">
-            {{gh-task-button task=save class="gh-btn gh-btn-blue gh-btn-icon" data-test-save-button=true}}
-        </section>
     </header>
 
     <section class="view-container">