Make it easier to benchmark and profile the code (#4780)

* Make it easier to benchmark and profile the code

* Remove unnecessary escape

* Clarify that the backend server is started without the frontend

* Add missing NODE_CONFIG_ENV environment variable

* Add error message when user has not included console.time statements

* Fix lint issue

* Handle multiple console.time statements

* Switch NODE_CONFIG_ENV to test

* Switch to const as variable never re-assigned

config/custom-environment-variables.yml

@@ -48,9 +48,6 @@ public:
       authorizedOrigins: 'TEAMCITY_ORIGINS'
     trace: 'TRACE_SERVICES'
 
-  profiling:
-    makeBadge: 'PROFILE_MAKE_BADGE'
-
   cacheHeaders:
     defaultCacheLengthSeconds: 'BADGE_MAX_AGE_SECONDS'
 

config/default.yml

@@ -23,9 +23,6 @@ public:
         intervalSeconds: 200
     trace: false
 
-  profiling:
-    makeBadge: false
-
   cacheHeaders:
     defaultCacheLengthSeconds: 120