Removed comment that no longer applies

Ignore-this: a09cae7f94a28091e3d025985bdbaa96

darcs-hash:20120913133406-56b4d-b82273dbb19701447cb59244a9e4b7d8d761ff1a
Fixed handling stream hold edge cases

Ignore-this: d1849badcd6ad18b0e2571155a816869
    - Restart AudioTransport if connection IP address
      has changed
    - Properly handle deprecated hold requests

darcs-hash:20120913133646-56b4d-f45a02b362363ea2709a28afa98fbd63ef3201e7