[0438] Fixing loot table of item 5523 (Small Barnacled Clam)

* Removing random items from loot table of Small Barnacled Clam
* Setting Clam Meat (ID:5503) to drop 100%, instead of 99.8%

Source: http://wowpedia.org/Clams

Signed-off-by: Patman64 <patman256@yahoo.com>