Cleanup in-tree removed jobs
Cleanup in-tree removed jobs

opendev/subunit2sql repo has created in-tree jobs but not removed jobs
and templates from project-config yet. So, this commit just removes
them.

Depends-On: If0e74b8939dc86924e4fea73ddb1e5e7495629fe
Change-Id: I7c2d8ef4cb52712e95cb76464f8120872ec2a4a6

openstack-infra/project-config,openstack-infra/project-config