Remove unused variables

Fixes some warnings when compiling

DiscImageChef.Core/Devices/Dumping/SSC.cs

@@ -1077,8 +1077,6 @@ namespace DiscImageChef.Core.Devices.Dumping
                 bool runningPersistent = false;
 
                 Modes.ModePage? currentModePage = null;
-                //byte[]          md6;
-                //byte[]          md10;
 
                 if(persistent)
                 {

DiscImageChef.Filesystems/CPM/CPM.cs

@@ -112,7 +112,6 @@ namespace DiscImageChef.Filesystems.CPM
         ///     If <see cref="Identify" /> thinks this is a CP/M filesystem, this is the definition for it
         /// </summary>
         CpmDefinition workingDefinition;
-        //IReadOnlyFilesystem readOnlyFilesystemImplementation;
 
         public FileSystemType XmlFsType { get; private set; }
         public Encoding       Encoding  { get; private set; }

DiscImageChef.Gui/Forms/frmMediaScan.xeto.cs

@@ -61,7 +61,6 @@ namespace DiscImageChef.Gui.Forms
 
         public frmMediaScan(string devicePath, DeviceInfo deviceInfo, ScsiInfo scsiInfo = null)
         {
-            //MediaType mediaType;
             XamlReader.Load(this);
 
             this.devicePath = devicePath;

DiscImageChef/Commands/DumpMedia.cs

@@ -66,8 +66,7 @@ namespace DiscImageChef.Commands
 
         private bool persistent;
 
-        // TODO: Disabled temporarily
-        //private bool raw = false;
+        // TODO: Add raw dumping
         private ushort retryPasses = 5;
         private bool showHelp;
         private int skip = 512;