More Util cleanup - move an extension method to a more appropriate file and remove an unused method

BizHawk.Common/Extensions/IOExtensions.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Text;
 
 namespace BizHawk.Common.IOExtensions
 {
@@ -22,6 +23,18 @@ namespace BizHawk.Common.IOExtensions
 			return outStream.ToArray();
 		}
 
+		// Read bytes from a BinaryReader and translate them into the UTF-8 string they represent.
+		public static string ReadStringFixedAscii(this BinaryReader r, int bytes)
+		{
+			var read = new byte[bytes];
+			for (var b = 0; b < bytes; b++)
+			{
+				read[b] = r.ReadByte();
+			}
+
+			return Encoding.UTF8.GetString(read);
+		}
+
 		public static void CopyTo(this Stream src, Stream dest)
 		{
 			int size = (src.CanSeek) ? Math.Min((int)(src.Length - src.Position), 0x2000) : 0x2000;

BizHawk.Common/Util.cs

@@ -81,35 +81,6 @@ namespace BizHawk.Common
 			return 0;
 		}
 
-		// Read bytes from a BinaryReader and translate them into the UTF-8 string they represent.
-		public static string ReadStringFixedAscii(this BinaryReader r, int bytes)
-		{
-			var read = new byte[bytes];
-			for (var b = 0; b < bytes; b++)
-			{
-				read[b] = r.ReadByte();
-			}
-
-			return Encoding.UTF8.GetString(read);
-		}
-
-		public static string ReadStringAsciiZ(this BinaryReader r)
-		{
-			var sb = new StringBuilder();
-			for (;;)
-			{
-				int b = r.ReadByte();
-				if (b <= 0)
-				{
-					break;
-				}
-
-				sb.Append((char)b);
-			}
-
-			return sb.ToString();
-		}
-
 		/// <summary>
 		/// Converts bytes to an uppercase string of hex numbers in upper case without any spacing or anything
 		/// //could be extension method