Revert "Restore access to the number of teams in the knockouts"

This reverts commit e99fbdecbd6c07873b4d6a1ace635cc9927f227e.
I'd completely forgotten that _all_ the teams are in the knockouts,
not just a subset of them.
Remove checks for unneeded knockout information.

I'd completely forgotten that _all_ the teams are in the knockouts,
not just a subset of them.

Change-Id: I67a8af6e133e07313b8a85321cffb2849b3a6f9c