AK: Make sure we don't include Math.h or math.h from KERNEL

Author: https://github.com/ADKaster
Commit: 83603d68d2
Pull-request: https://github.com/SerenityOS/serenity/pull/13671
Reviewed-by: https://github.com/BertalanD
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/timschumi ✅

AK/Math.h

@@ -11,6 +11,10 @@
 #include <AK/StdLibExtraDetails.h>
 #include <AK/Types.h>
 
+#ifdef KERNEL
+#    error "Including AK/Math.h from the Kernel is never correct! Floating point is disabled."
+#endif
+
 namespace AK {
 
 template<FloatingPoint T>