Unrevert two changes

* Sorted Delete for TArray
* Typed constructor for TObjPtr

src/common/objects/dobjgc.h

@@ -215,6 +215,9 @@ class TObjPtr
 		mutable DObject *o;
 	};
 public:
+	TObjPtr() = default;
+
+	TObjPtr(T t) : pp(t) {}
 
 	constexpr TObjPtr<T>& operator=(T q) noexcept
 	{

src/common/utility/tarray.h

@@ -576,6 +576,35 @@ class TArray
 		return f;
 	}
 
+	bool SortedDelete(const T& obj)
+	{
+		auto f = SortedFind(obj, true);
+		if (f == Size())
+		{
+			Delete(f);
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	template<typename Func>
+	bool SortedDelete(const T& obj, Func lt)
+	{
+		auto f = SortedFind(obj, lt, true);
+		if (f == Size())
+		{
+			Delete(f);
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
 	bool Pop ()
 	{
 		if (Count > 0)