AdapterIO: Remove unuseful Close()

headers/private/media/AdapterIO.h

@@ -56,7 +56,6 @@ public:
 	virtual	status_t				GetSize(off_t* size) const;
 
 	virtual status_t				Open();
-	virtual void					Close();
 
 	virtual bool					IsRunning() const;
 

src/kits/media/AdapterIO.cpp

@@ -229,9 +229,6 @@ BAdapterIO::~BAdapterIO()
 {
 	CALLED();
 
-	if (!fOpened)
-		Close();
-
 	delete fInputAdapter;
 	delete fBuffer;
 }
@@ -342,15 +339,6 @@ BAdapterIO::Open()
 }
 
 
-void
-BAdapterIO::Close()
-{
-	CALLED();
-
-	fOpened = false;
-}
-
-
 bool
 BAdapterIO::IsRunning() const
 {