Merge pull request #2655 from tpdownes/hotfix-remove-link

Update A3 Mega instructions pending publication of documentation

examples/machine-learning/a3-megagpu-8g/README.md

@@ -1,6 +1,7 @@
 # A3 Mega / Slurm Blueprint for Google Cloud
 
-To deploy an a3-megagpu-8g cluster running Slurm on Google Cloud, please follow
-these [instructions].
+Complete instructions for deploying an a3-megagpu-8g cluster running Slurm on
+Google Cloud will be published on cloud.google.com. In the interim, please
+contact your [Technical Account Manager][tam] for guidance.
 
-[instructions]: https://cloud.google.com/hpc-toolkit/docs/deploy/deploy-a3-mega-cluster
+[tam]: https://cloud.google.com/tam