Revert "Move queue-flushing code into main TTS.speak() method."
Revert "Move queue-flushing code into main TTS.speak() method."

This reverts commit 4544fe87060215cea1073baff7a24958b810e034.

--HG--
extra : convert_revision : 5965f23574e3bad5201f72d9bd76f1a1dcc8c525

beqabeqa473/Asra,beqabeqa473/Asra,bramd/spiel,bramd/spiel,beqabeqa473/Asra,bramd/spiel