Revert "shared_ptr -> std::shared_ptr"

This reverts commit 7074f35e4b.

Minecraft.Client/SheepRenderer.h

@@ -7,8 +7,8 @@ public:
 	SheepRenderer(Model *model, Model *armor, float shadow);
 
 protected:
-	virtual int prepareArmor(std::shared_ptr<Mob> _sheep, int layer, float a);
+	virtual int prepareArmor(shared_ptr<Mob> _sheep, int layer, float a);
 
 public:
-	virtual void render(std::shared_ptr<Entity> mob, double x, double y, double z, float rot, float a);
+	virtual void render(shared_ptr<Entity> mob, double x, double y, double z, float rot, float a);
 };