Remove __PAIR__ as they are now unused

defs.h

@@ -182,14 +182,6 @@ inline void *qmemcpy(void *dst, const void *src, size_t cnt)
 }
 #endif
 
-// Generate a reference to pair of operands
-template<class T>  int16 __PAIR__( int8  high, T low) { return ((( int16)high) << sizeof(high)*8) | uint8(low); }
-template<class T>  int32 __PAIR__( int16 high, T low) { return ((( int32)high) << sizeof(high)*8) | uint16(low); }
-template<class T>  int64 __PAIR__( int32 high, T low) { return ((( int64)high) << sizeof(high)*8) | uint32(low); }
-template<class T> uint16 __PAIR__(uint8  high, T low) { return (((uint16)high) << sizeof(high)*8) | uint8(low); }
-template<class T> uint32 __PAIR__(uint16 high, T low) { return (((uint32)high) << sizeof(high)*8) | uint16(low); }
-template<class T> uint64 __PAIR__(uint32 high, T low) { return (((uint64)high) << sizeof(high)*8) | uint32(low); }
-
 // rotate left
 template <class T>
 T __ROL__(T value, int count)