Block: Migrated all trivial drops code to getDropsForCompatibleTool()

getDrops() should now be overridden only for special cases. There are some non-trivial overrides left that are going to need some extra work to clean up.

src/pocketmine/block/NetherWartPlant.php

@@ -85,7 +85,7 @@ class NetherWartPlant extends Flowable{
 		return false;
 	}
 
-	public function getDrops(Item $item) : array{
+	public function getDropsForCompatibleTool(Item $item) : array{
 		return [
 			ItemFactory::get($this->getItemId(), 0, ($this->getDamage() === 3 ? mt_rand(2, 4) : 1))
 		];