Removed search labs flag

- the search helper was promoted to GA and we no longer need the feature flag

ghost/admin/app/services/feature.js

@@ -62,7 +62,6 @@ export default class FeatureService extends Service {
     @feature('freeTrial') freeTrial;
     @feature('compExpiring') compExpiring;
     @feature('memberAttribution') memberAttribution;
-    @feature('searchHelper') searchHelper;
     @feature('emailAlerts') emailAlerts;
     @feature('emailClicks') emailClicks;
     @feature('sourceAttribution') sourceAttribution;

ghost/admin/app/templates/settings/labs.hbs

@@ -239,19 +239,6 @@
                         </div>
                     </div>
                 </div>
-                <div class="gh-expandable-block">
-                    <div class="gh-expandable-header">
-                        <div>
-                            <h4 class="gh-expandable-title">Search helper</h4>
-                            <p class="gh-expandable-description">
-                               Enable the <code>&#123;&#123;search&#125;&#125;</code> handlebars helper.
-                            </p>
-                        </div>
-                        <div class="for-switch">
-                           <GhFeatureFlag @flag="searchHelper" />
-                        </div>
-                    </div>
-                </div>
                 <div class="gh-expandable-block">
                     <div class="gh-expandable-header">
                         <div>

ghost/core/core/frontend/helpers/search.js

@@ -1,9 +1,8 @@
 // # search helper
 
 const {SafeString} = require('../services/handlebars');
-const {labs} = require('../services/proxy');
 
-function search() {
+module.exports = function search() {
     // We want this to output as one line, but splitting for readability
     const svg = '<button class="gh-search-icon" aria-label="search" data-ghost-search '
               + 'style="display: inline-flex; justify-content: center; align-items: center; width: 32px; height: 32px; padding: 0; border: 0; color: inherit; background-color: transparent; cursor: pointer; outline: none;">'
@@ -11,17 +10,4 @@ function search() {
               + '<path d="M10 3a7 7 0 1 0 0 14 7 7 0 0 0 0-14Zm-9 7a9 9 0 1 1 18 0 9 9 0 0 1-18 0Z" fill="currentColor"/></svg></button>';
 
     return new SafeString(svg);
-}
-
-module.exports = function searchLabsWrapper() {
-    let self = this;
-    let args = arguments;
-
-    return labs.enabledHelper({
-        flagKey: 'searchHelper',
-        flagName: 'Search helper',
-        helperName: 'search'
-    }, () => {
-        return search.apply(self, args); // eslint-disable-line camelcase
-    });
 };

ghost/core/test/unit/frontend/helpers/search.test.js

@@ -9,10 +9,6 @@ describe('Search helper', function () {
         handlebars.registerHelper('search', searchHelper);
     });
 
-    beforeEach(function () {
-        sinon.stub(labs, 'isSet').returns(true);
-    });
-
     afterEach(function () {
         sinon.restore();
     });