testgrid/config: update kubeadm jobs for 1.13 release
testgrid/config: update kubeadm jobs for 1.13 release

- remove 1.9 jobs
- remove 1.10 jobs
- remove 1.10 on 1.11 jobs
- update frequency of some tests:
  - old version upgrade tests to 12h
  - stable-master to 4h from 6h
  - gce-1.11 to 12h from 6h

GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid