SWDEV-345944 - Remove use of MINSIGSTKSZ. (#2857)

Change-Id: Ia0cdb2b48ea44ced325f3c442237420c8cee2312

catch/external/Catch2/catch.hpp

@@ -10819,7 +10819,7 @@ namespace Catch {
 
     // 32kb for the alternate stack seems to be sufficient. However, this value
     // is experimentally determined, so that's not guaranteed.
-    static constexpr std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ;
+    static constexpr std::size_t sigStackSize = 32768;
 
     static SignalDefs signalDefs[] = {
         { SIGINT,  "SIGINT - Terminal interrupt signal" },