Disable thread support for web export

Author: 2shady4u

gdextension_cpp_example/demo/export_presets.cfg

@@ -21,7 +21,7 @@ script_export_mode=2
 custom_template/debug=""
 custom_template/release=""
 variant/extensions_support=true
-variant/thread_support=true
+variant/thread_support=false
 vram_texture_compression/for_desktop=true
 vram_texture_compression/for_mobile=false
 html/export_icon=true