Make token-vendor-go default version to deploy.
Make token-vendor-go default version to deploy.

It seems only empty variables are interpreted as false. I was not able to debug why.

Use `CRC_USE_GO_TOKEN_VENDOR=0 ./deploy.sh <project-id>` to switch back to the Java token vendor.

http: //b/255295482
Change-Id: I89b2eecb50ff892ab02f57b2472f4af389d93a1e
GitOrigin-RevId: 9a22a90a53f493b7aa8b6cf7592af3e8f236da14

googlecloudrobotics/core,googlecloudrobotics/core,googlecloudrobotics/core