Merge pull request #2723 from 3nprob/clean-hubspot-tracking-urls

Remove hubsbpot tracking URL params

More information here:
https://knowledge.hubspot.com/settings/how-do-i-create-a-tracking-url
https://knowledge.hubspot.com/ads/ad-tracking-in-hubspot
https://knowledge.hubspot.com/ctas/calls-to-action-frequently-asked-questions
https://meta.stackexchange.com/questions/263392/what-are-these-very-long-parameters-in-so-careers-feedback-always-welcome-url