Removed unused functoin Hunk_Trash.

code/qcommon/qcommon.h

@@ -949,7 +949,6 @@ void *Hunk_AllocateTempMemory( int size );
 void Hunk_FreeTempMemory( void *buf );
 int	Hunk_MemoryRemaining( void );
 void Hunk_Log( void);
-void Hunk_Trash( void );
 
 void Com_TouchMemory( void );