Two existing templates are almost completely identical. It would be easier to maintain one templated instead of two.

Documentation for existing templates:

https://github.com/wikimedia/qa-browsertests/blob/master/docs/template.md
https://github.com/wikimedia/qa-browsertests/blob/master/docs/template-extension.md

Change 81476 had a related patch set uploaded by Zfilipin:
Created one Jenkins job template to rule them all

https://gerrit.wikimedia.org/r/81476

Resolved in https://gerrit.wikimedia.org/r/#/c/81476/

Change 81476 merged by Cmcmahon:
Created one Jenkins job template to rule them all

https://gerrit.wikimedia.org/r/81476

Change 82036 had a related patch set uploaded by Zfilipin:
MobileFrontend Jenkins job template is deleted

https://gerrit.wikimedia.org/r/82036

Change 82036 merged by jenkins-bot:
MobileFrontend Jenkins job template is deleted

https://gerrit.wikimedia.org/r/82036