Removing duplicated files

examples/_lib/interrupt.cpp

@@ -0,0 +1,22 @@
+#include "interrupt.h"
+#include <ugba.h>
+
+void interrupt_init(void) {
+  IRQ_Init();
+}
+
+void interrupt_set_handler(interrupt_index index, interrupt_vector function) {
+  IRQ_SetHandler((irq_index)index, function);
+}
+
+void interrupt_enable(interrupt_index index) {
+  IRQ_Enable((irq_index)index);
+}
+
+void interrupt_disable(interrupt_index index) {
+  IRQ_Disable((irq_index)index);
+}
+
+void interrupt_set_reference_vcount(unsigned long y) {
+  IRQ_SetReferenceVCOUNT(y);
+}