Remove sound folder

sounds/SoundLicenses.txt

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---Nightime Sound, Recorded by Mike Koenig, License: Attribution 3.0 http://soundbible.com/951-Nightime.html
---Crickets At Night Sound, License: Attribution 3.0 | Recorded by Mike Koenig |http://soundbible.com/365-Crickets-At-Night.html
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---Medium Pack Of Wolves Howling, License: Public Domain | Recorded by fws.gov, http://soundbible.com/277-Medium-Pack-Of-Wolves-Howling.html
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---Horned Owl Sound, License: Attribution 3.0 | Recorded by Mike Koenig , http://soundbible.com/1851-Horned-Owl.html
---Bats In Cave Sound, License: Attr-Noncommercial 3.0 | Recorded by Mike Koenig , http://soundbible.com/1939-Bats-In-Cave.html
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---Spooky Water Drops Sound, License: Attribution 3.0 | Recorded by Mike Koenig, http://soundbible.com/380-Spooky-Water-Drops.html
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--- Single Water Droplet Sound, License: Attribution 3.0 | Recorded by Mike Koenig, http://soundbible.com/384-Single-Water-Droplet.html
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---HollowWind, Black Boe, Creative Commons 0 License, http://www.freesound.org/people/Black%20Boe/sounds/22331/
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---drippingwater*.ogg sounds: CC0, Dripping Water Mod, by kddekadenz, http://minetest.net/forum/viewtopic.php?id=1688
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---best cardinal bird: License: Attribution 3.0 | Recorded by PsychoBird,  http://soundbible.com/1515-Best-Cardinal-Bird.html
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---birdsongnl: the Attribution License, HerbertBoland, http://www.freesound.org/people/HerbertBoland/sounds/28312/  (end)
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---robin2:  Attribution License, reinsamba, http://www.freesound.org/people/reinsamba/sounds/32479/  (end)
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---Craw.WAV, Attribution License, inchadney, http://www.freesound.org/people/inchadney/sounds/52450/
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---bluejay.wav,  Creative Commons 0 License,  UncleSigmund, http://www.freesound.org/people/UncleSigmund/sounds/42382/
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---scuba1*.ogg- digifishmusic, Attribution License, http://www.freesound.org/people/digifishmusic/sounds/45521/
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---Underwater Pool - Attribution 3.0 | Recorded by Mike Koenig, http://soundbible.com/1660-Underwater-Pool.html
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---dolphin_screaming - Creative Commons 0 License, felix.blume, http://www.freesound.org/people/felix.blume/sounds/161691/
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---dolphins - Attribution Noncommercial License,  acclivity, http://www.freesound.org/people/acclivity/sounds/13691/
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---natural night sounds in Boquete.wav,  Attribution License, laurent, http://www.freesound.org/people/laurent/sounds/15851/
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