tbot logs 'Waiting for anonymous telemetry to finish sending before exiting' even when telemetry is disabled

[williamtheaker]

Expected behavior:
No mention of sending telemetry when it hasn't been enabled.

Current behavior:
The opposite

Culprit:

teleport/tool/tbot/main.go

Line 489 in 89584dd

"Waiting for anonymous telemetry to finish sending before exiting. Press CTRL-C to cancel",