Revert typedef.

Source/Urho3D/Container/HashMap.h

@@ -36,9 +36,6 @@ namespace Urho3D
 template <class T, class U> class HashMap : public HashBase
 {
 public:
-    typedef T T;
-    typedef U U;
-
     /// Hash map key-value pair with const key.
     class KeyValue
     {

Source/Urho3D/Container/Vector.h

@@ -35,7 +35,6 @@ namespace Urho3D
 template <class T> class Vector : public VectorBase
 {
 public:
-    typedef T T;
     typedef RandomAccessIterator<T> Iterator;
     typedef RandomAccessConstIterator<T> ConstIterator;
     
@@ -459,7 +458,6 @@ private:
 template <class T> class PODVector : public VectorBase
 {
 public:
-    typedef T T;
     typedef RandomAccessIterator<T> Iterator;
     typedef RandomAccessConstIterator<T> ConstIterator;