Removed mediaAPI GA labs flag

refs https://github.com/TryGhost/Team/issues/1258

- media API is GA so labs flag and conditional access to media API routes is no longer necessary

core/frontend/web/site.js

@@ -118,7 +118,7 @@ module.exports = function setupSiteApp(options = {}) {
     // Serve blog images using the storage adapter
     siteApp.use(STATIC_IMAGE_URL_PREFIX, mw.handleImageSizes, storage.getStorage('images').serve());
     // Serve blog media using the storage adapter
-    siteApp.use(STATIC_MEDIA_URL_PREFIX, labs.enabledMiddleware('mediaAPI'), storage.getStorage('media').serve());
+    siteApp.use(STATIC_MEDIA_URL_PREFIX, storage.getStorage('media').serve());
     // Serve blog files using the storage adapter
     siteApp.use(STATIC_FILES_URL_PREFIX, labs.enabledMiddleware('filesAPI'), storage.getStorage('files').serve());
 

core/server/web/api/canary/admin/routes.js

@@ -238,14 +238,12 @@ module.exports = function apiRoutes() {
 
     // ## media
     router.post('/media/upload',
-        labs.enabledMiddleware('mediaAPI'),
         mw.authAdminApi,
         apiMw.upload.media('file', 'thumbnail'),
         apiMw.upload.mediaValidation({type: 'media'}),
         http(api.media.upload)
     );
     router.put('/media/thumbnail/upload',
-        labs.enabledMiddleware('mediaAPI'),
         mw.authAdminApi,
         apiMw.upload.single('file'),
         apiMw.upload.validation({type: 'images'}),

core/shared/labs.js

@@ -15,7 +15,6 @@ const messages = {
 
 // flags in this list always return `true`, allows quick global enable prior to full flag removal
 const GA_FEATURES = [
-    'mediaAPI',
     'membersAutoLogin',
     'filesAPI',
     'fileCard',