TBR: Revert "TBR: jiri: Don't try to upgrade a profile target if the default version is already installed."
TBR: Revert "TBR: jiri: Don't try to upgrade a profile target if the default version is already installed."

This reverts commit ab79ee1e50aa0810630c81dde6969e61e76ee324.

Change-Id: I0ead4b0009c076db99d7d169e24e00dae8f2f6c6

vanadium/go.jiri,vanadium/go.jiri