Bk2Movie - remove some more copy pasta I missed from an earlier commit

src/BizHawk.Client.Common/movie/bk2/Bk2Movie.InputLog.cs

@@ -166,20 +166,7 @@ namespace BizHawk.Client.Common
 					continue;
 				}
 
-				if (line.Contains("Frame 0x")) // NES stores frame count in hex, yay
-				{
-					var strs = line.Split('x');
-					try
-					{
-						stateFrame = int.Parse(strs[1], NumberStyles.HexNumber);
-					}
-					catch
-					{
-						errorMessage = "Savestate Frame number failed to parse";
-						return false;
-					}
-				}
-				else if (line.Contains("Frame "))
+				if (line.Contains("Frame "))
 				{
 					var strs = line.Split(' ');
 					try