remove false statement from the docs (negative values were never allowed) (#105026)

* remove false statement from the docs (negative values were never allowed and int.MaxValue is the default), fixes #104997

Author: adamsitnik

src/libraries/System.Private.CoreLib/src/System/IO/EnumerationOptions.cs

@@ -81,8 +81,7 @@ internal static EnumerationOptions FromSearchOption(SearchOption searchOption)
 
         /// <summary>Gets or sets a value that indicates the maximum directory depth to recurse while enumerating, when <see cref="RecurseSubdirectories" /> is set to <see langword="true" />.</summary>
         /// <value>A number that represents the maximum directory depth to recurse while enumerating. The default value is <see cref="int.MaxValue" />.</value>
-        /// <remarks>If <see cref="MaxRecursionDepth" /> is set to a negative number, the default value <see cref="int.MaxValue" /> is used.
-        /// If <see cref="MaxRecursionDepth" /> is set to zero, enumeration returns the contents of the initial directory.</remarks>
+        /// <remarks>If <see cref="MaxRecursionDepth" /> is set to zero, enumeration returns the contents of the initial directory.</remarks>
         public int MaxRecursionDepth
         {
             get => _maxRecursionDepth;