refactor: Merge drive and reader config to enable implementations of tape management without synchronization

examples/full/main.go

@@ -118,9 +118,6 @@ func createFs(
 
 		GetReader:   tm.GetReader,
 		CloseReader: tm.Close,
-
-		GetDrive:   tm.GetDrive,
-		CloseDrive: tm.Close,
 	}
 	readCryptoConfig := config.CryptoConfig{
 		Recipient: signatureRecipient,

examples/simple/main.go

@@ -54,9 +54,6 @@ func main() {
 
 		GetReader:   tm.GetReader,
 		CloseReader: tm.Close,
-
-		GetDrive:   tm.GetDrive,
-		CloseDrive: tm.Close,
 	}
 	readCryptoConfig := config.CryptoConfig{}