Revert "Added ESP32 IR receive support (IRsend not implemented yet)."

IRremote.cpp

@@ -18,17 +18,14 @@
 // Whynter A/C ARC-110WD added by Francesco Meschia
 //******************************************************************************
 
+#include <avr/interrupt.h>
+
 // Defining IR_GLOBAL here allows us to declare the instantiation of global variables
 #define IR_GLOBAL
 #	include "IRremote.h"
 #	include "IRremoteInt.h"
 #undef IR_GLOBAL
 
-#ifndef IR_TIMER_USE_ESP32
-#include <avr/interrupt.h>
-#endif
-
-
 //+=============================================================================
 // The match functions were (apparently) originally MACROs to improve code speed
 //   (although this would have bloated the code) hence the names being CAPS
@@ -123,11 +120,7 @@ int  MATCH_SPACE (int measured_ticks,  int desired_us)
 // As soon as first MARK arrives:
 //   Gap width is recorded; Ready is cleared; New logging starts
 //
-#ifdef IR_TIMER_USE_ESP32
-void IRTimer()
-#else
 ISR (TIMER_INTR_NAME)
-#endif
 {
 	TIMER_RESET;