C++: Make StringCchPrintf not extend NonThrowingFunction

Author: paldepind

cpp/ql/lib/semmle/code/cpp/models/implementations/Printf.qll

@@ -173,7 +173,7 @@ private class SnprintfImpl extends Snprintf, AliasFunction, SideEffectFunction,
  *      and
  *      https://learn.microsoft.com/en-us/previous-versions/windows/embedded/ms860435(v=msdn.10)
  */
-private class StringCchPrintf extends FormattingFunction, NonThrowingFunction {
+private class StringCchPrintf extends FormattingFunction {
   StringCchPrintf() {
     this instanceof TopLevelFunction and
     exists(string baseName |