This check is unnecessary, bit dodgy (ldd+grep), and requires -DSDL2_API=1
/only/ if wxGTK was built with USE=sdl or else get a cmake unused options
warning. Test code also fails with -Werror=strict-prototypes (clang16).
--- a/cmake/SearchForStuff.cmake
+++ b/cmake/SearchForStuff.cmake
@@ -191,3 +191,2 @@
 if(NOT PCSX2_CORE)
-	WX_vs_SDL()
 endif()