Code cleanup

YesNt.Interpreter/Utilities/FixedProcess.cs

@@ -170,11 +170,9 @@ internal class AsyncStreamReader : IDisposable
             byteBuffer = null;
             charBuffer = null;
         }
-        if (eofEvent != null)
-        {
-            eofEvent.Close();
-            eofEvent = null;
-        }
+
+        eofEvent?.Close();
+        eofEvent = null;
     }
 
     private void Init(Stream stream, UserCallBack callback, Encoding encoding, int bufferSize)

YesNt.Interpreter/Utilities/StringExtentions.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Linq;
 using System.Text;
@@ -30,7 +29,6 @@ public static class StringExtensions
         {"",  "~emp" },
     };
 
-    [SuppressMessage("Minor Code Smell", "S3963:\"static\" fields should be initialized inline", Justification = "Doesn't work because it throws a TypeInitializationException")]
     static StringExtensions()
     {
         reverseReplacementRules = ReplacementRules.ToDictionary(x => x.Value, x => x.Key);