Common: Move GetDeviceProperty() into its own header

Otherwise we include Windows headers in the entire codebase through CommonFuncs.h

Source/Core/Common/CommonFuncs.h

@@ -5,11 +5,6 @@
 
 #include <optional>
 #include <string>
-#ifdef _WIN32
-#include <SetupAPI.h>
-#include <cfgmgr32.h>
-#include <devpropdef.h>
-#endif
 
 #include "Common/CommonTypes.h"
 
@@ -64,9 +59,5 @@ std::string GetWin32ErrorString(unsigned long error_code);
 
 // Obtains a full path to the specified module.
 std::optional<std::wstring> GetModuleName(void* hInstance);
-
-// Obtains a device property and returns it as a wide string.
-std::wstring GetDeviceProperty(const HANDLE& device_info, const PSP_DEVINFO_DATA device_data,
-                               const DEVPROPKEY* requested_property);
 #endif
 }  // namespace Common