Update UriFormatException condition (dotnet#10941)

Author: gewarren

xml/System/Uri.xml

@@ -1971,9 +1971,7 @@ If you used an escaped string to construct this instance (for example, `"http://
         </remarks>
         <exception cref="T:System.ArgumentNullException">
           <paramref name="stringToEscape" /> is <see langword="null" />.</exception>
-        <exception cref="T:System.UriFormatException">Note: In the <see href="https://go.microsoft.com/fwlink/?LinkID=247912">.NET for Windows Store apps</see> or the <see href="https://learn.microsoft.com/dotnet/standard/cross-platform/cross-platform-development-with-the-portable-class-library">Portable Class Library</see>, catch the base class exception, <see cref="T:System.FormatException" />, instead.
-
- The length of <paramref name="stringToEscape" /> exceeds 32766 characters.</exception>
+        <exception cref="T:System.UriFormatException">.NET Framework only: The length of <paramref name="stringToEscape" /> exceeds 32766 characters.</exception>
       </Docs>
     </Member>
     <Member MemberName="EscapeString">
@@ -2129,9 +2127,7 @@ If you used an escaped string to construct this instance (for example, `"http://
         </remarks>
         <exception cref="T:System.ArgumentNullException">
           <paramref name="stringToEscape" /> is <see langword="null" />.</exception>
-        <exception cref="T:System.UriFormatException">The length of <paramref name="stringToEscape" /> exceeds 32766 characters.
-
-        Note: In <see href="https://learn.microsoft.com/previous-versions/br230232(v=vs.110)">.NET for Windows Store apps</see> or the <see href="https://learn.microsoft.com/dotnet/standard/cross-platform/cross-platform-development-with-the-portable-class-library">Portable Class Library</see>, catch the base class exception, <see cref="T:System.FormatException" />, instead.</exception>
+        <exception cref="T:System.UriFormatException">.NET Framework only: The length of <paramref name="stringToEscape" /> exceeds 32766 characters.</exception>
       </Docs>
     </Member>
     <Member MemberName="Fragment">