[Voice Update] LLFloaterVoiceEffect (Lives in File->Show Voice Morpher for now)
[Voice Update] LLPanelVoiceEffect added to LLFloaterActiveSpeakers

Comments out xml menu entry for LLFloaterVoiceEffect access from LLPanelVoiceEffect is the intended method
TODO: Once Shyotl's new layout stack code comes in, make LLFloaterActiveSpeakers into a vertical stack so we can properly hide LLPanelVoiceEffect upon a debug setting.