Fix for #9779 - PrusaSlicer2.6alpha4 Cannot set locale to language "Chinese (Simplified, China)".

(Related to #9476 PrusaSlicer2.6alpha2 Switching PrusaSlicer to language zh_TW failed.)

After fix from upstream wxWidgets (see a3e925df0a (diff-1e3658a254af33d4cb78b07040114b18d8a0642fe928f65fdfbd4746d8cc0f4a)) issue is disappeared and workaround is no needed now.

deps/wxWidgets/wxWidgets.cmake

@@ -13,8 +13,8 @@ if (UNIX AND NOT APPLE) # wxWidgets will not use char as the underlying type for
 endif()
 
 prusaslicer_add_cmake_project(wxWidgets
-    URL https://github.com/prusa3d/wxWidgets/archive/0b49beaacce17d90f0c370ecd73221abd089667a.zip
-    URL_HASH SHA256=8fa978a76d6bd811b30eecc5124186b9ad54290b820f3a354e85bfa9dae6a5ce
+    URL https://github.com/prusa3d/wxWidgets/archive/c71b02d8efc2c73e9d3c7fc3c597e01c99953eaa.zip
+    URL_HASH SHA256=541363297fe6b120c788ae58b11622c899ea497a09445b74a283cb5b2546d027
     DEPENDS ${PNG_PKG} ${ZLIB_PKG} ${EXPAT_PKG} dep_TIFF dep_JPEG dep_NanoSVG
     CMAKE_ARGS
         -DwxBUILD_PRECOMP=ON

src/slic3r/GUI/GUI_App.cpp

@@ -2281,14 +2281,7 @@ bool GUI_App::load_language(wxString language, bool initial)
     }
 #endif
 
-#ifdef __APPLE__
-    // ysFIXME after fix for wxWidgets issue (https://github.com/wxWidgets/wxWidgets/issues/23209)
-    // Workaround for wxLANGUAGE_CHINESE(...) languages => Allow to continue even if wxLocale is not available.
-    // Because of translation will works fine, just locales will set to EN 
-    if (! wxLocale::IsAvailable(language_info->Language) && language_info->CanonicalName.BeforeFirst('_') != "zh" ) {
-#else
     if (! wxLocale::IsAvailable(language_info->Language)) {
-#endif
     	// Loading the language dictionary failed.
     	wxString message = "Switching PrusaSlicer to language " + language_info->CanonicalName + " failed.";
 #if !defined(_WIN32) && !defined(__APPLE__)