Revert "shared_ptr -> std::shared_ptr"

This reverts commit 7074f35e4b.

Minecraft.Client/OzelotModel.h

@@ -36,8 +36,8 @@ private:
 public:
 	OzelotModel();
 
-	void render(std::shared_ptr<Entity> entity, float time, float r, float bob, float yRot, float xRot, float scale, bool usecompiled);
+	void render(shared_ptr<Entity> entity, float time, float r, float bob, float yRot, float xRot, float scale, bool usecompiled);
 	void render(OzelotModel *model, float scale, bool usecompiled);
 	void setupAnim(float time, float r, float bob, float yRot, float xRot, float scale, unsigned int uiBitmaskOverrideAnim=0);
-	void prepareMobModel(std::shared_ptr<Mob> mob, float time, float r, float a);
+	void prepareMobModel(shared_ptr<Mob> mob, float time, float r, float a);
 };