Remove check for GCC version in usb dual example (#540)

Author: lurch

usb/CMakeLists.txt

@@ -9,11 +9,7 @@ else ()
     message("Skipping TinyUSB host examples as TinyUSB is unavailable")
 endif ()
 if (TARGET tinyusb_pico_pio_usb)
-    if ((NOT CMAKE_C_COMPILER_ID STREQUAL "GNU") OR CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 11.3)
-        message("Skipping TinyUSB dual examples, as TinyUSB hw/mcu/raspberry_pi/Pico-PIO-USB does not currently compile on non GCC or GCC 11.3 or greater")
-    else()
-        add_subdirectory(dual)
-    endif()
+    add_subdirectory(dual)
 else ()
     message("Skipping TinyUSB dual examples, as TinyUSB hw/mcu/raspberry_pi/Pico-PIO-USB submodule unavailable")
-endif ()
+endif ()