Style: Replace header guards with #pragma once

platform/android/java_godot_view_wrapper.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef JAVA_GODOT_VIEW_WRAPPER_H
-#define JAVA_GODOT_VIEW_WRAPPER_H
+#pragma once
 
 #include "jni_utils.h"
 
@@ -66,5 +65,3 @@ public:
 
 	~GodotJavaViewWrapper();
 };
-
-#endif // JAVA_GODOT_VIEW_WRAPPER_H