Remove underscore in decodable modes

Confuser.Renamer/NameService.cs

@@ -152,7 +152,7 @@ namespace Confuser.Renamer {
 					if (nameMap1.ContainsKey(name))
 						return nameMap1[name];
 					IncrementNameId();
-					var newName = "_" + Utils.EncodeString(hash, alphaNumCharset) + "_";
+					var newName = Utils.EncodeString(hash, alphaNumCharset);
 					nameMap2[newName] = name;
 					nameMap1[name] = newName;
 					return newName;
@@ -161,7 +161,7 @@ namespace Confuser.Renamer {
 					if (nameMap1.ContainsKey(name))
 						return nameMap1[name];
 					IncrementNameId();
-					var newName = "_" + Utils.EncodeString(nameId, alphaNumCharset) + "_";
+					var newName = Utils.EncodeString(nameId, alphaNumCharset);
 					nameMap2[newName] = name;
 					nameMap1[name] = newName;
 					return newName;

ConfuserEx/StackTraceDecoder.xaml.cs

@@ -56,7 +56,7 @@ namespace ConfuserEx {
 			}
 		}
 
-		readonly Regex mapSymbolMatcher = new Regex("_[a-zA-Z0-9]+_");
+		readonly Regex mapSymbolMatcher = new Regex("[a-zA-Z0-9]+");
 		readonly Regex passSymbolMatcher = new Regex("[a-zA-Z0-9_$]{23,}");
 		ReversibleRenamer renamer;