Remove redundant power interrupt methods for ESP32

Author: thebentern

src/power.h

@@ -102,14 +102,6 @@ class Power : public concurrency::OSThread
     const uint16_t OCV[11] = {OCV_ARRAY};
     bool isLowBattery() { return low_voltage_counter >= 10; };
 
-#ifdef ARCH_ESP32
-    int beforeLightSleep(void *unused);
-    int afterLightSleep(esp_sleep_wakeup_cause_t cause);
-#endif
-
-    void attachPowerInterrupts();
-    void detachPowerInterrupts();
-
 #ifdef ARCH_ESP32
     int beforeLightSleep(void *unused);
     int afterLightSleep(esp_sleep_wakeup_cause_t cause);