[SabreTools] Nix the legacy flags

SabreTools/SabreTools.cs

@@ -216,18 +216,10 @@ namespace SabreTools
 					case "--merge":
 						merge = true;
 						break;
-					case "-nd":
-					case "--nodump":
-						status = "Nodump";
-						break;
 					case "-nm":
 					case "--noMD5":
 						noMD5 = true;
 						break;
-					case "-nnd":
-					case "--not-nodump":
-						status = "NotNodump";
-						break;
 					case "-ns":
 					case "--noSHA1":
 						noSHA1 = true;