chore: remove unused clutter

Author: mikesmitty

src/machine/usb/msc/fakefs/fakefs.go

@@ -43,7 +43,6 @@ type msc struct {
 
 	maxLUN   uint8 // Maximum Logical Unit Number (n-1 for n LUNs)
 	dev      machine.BlockDevice
-	ready    bool
 	readOnly bool
 
 	vendorID   [8]byte  // Max 8 ASCII characters
@@ -91,10 +90,6 @@ func newMSC() *msc {
 	}
 	m.RegisterBlockDevice(NewDefaultDisk())
 
-	if m.dev != nil {
-		m.ready = true
-	}
-
 	// Set default inquiry data fields
 	m.SetVendorID("TinyGo")
 	m.SetProductID("Mass Storage")
@@ -129,6 +124,10 @@ func newMSC() *msc {
 	return m
 }
 
+func (m *msc) ready() bool {
+	return m.dev != nil
+}
+
 func (m *msc) resetBuffer(length int) {
 	// Reset the buffer to the specified length
 	m.buf = m.buf[:length]

src/machine/usb/msc/fakefs/fat12.go

@@ -106,7 +106,7 @@ func (m *msc) scsiTestUnitReady() {
 	m.queuedBytes = 0
 
 	// Check if the device is ready
-	if !m.ready {
+	if !m.ready() {
 		// If not ready set sense data
 		m.senseKey = scsi.SenseNotReady
 		m.addlSenseCode = scsi.SenseCodeMediumNotPresent