Revert "tear down Engine god object #4511"

This reverts commit dc60837e4c.

firmware/controllers/actuators/ac_control.cpp

@@ -1,7 +1,4 @@
-
 #include "pch.h"
-//#include "pch_util.h"
-//#include "efi_gpio.h" //but need enginePins
 
 #include "ac_control.h"
 #include "deadband.h"

firmware/controllers/actuators/ac_control.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "ac_control_generated.h"
+#include "timer.h"
 
 class AcController final : public ac_control_s, public EngineModule {
 public:

firmware/controllers/algo/fuel/dfco.h

@@ -3,6 +3,8 @@
  */
 
 #pragma once
+#include "engine_module.h"
+#include "timer.h"
 
 // DFCO = deceleration fuel cut off, ie, save gas when your foot is off the pedal
 class DfcoController : public EngineModule {

firmware/controllers/algo/fuel/injector_model.cpp

@@ -1,5 +1,10 @@
 
-#include "pch_util.h"
+// here am flirting with not using pch.h and not including at least Engine
+#include <rusefi/interpolation.h>
+#include <rusefi/arrays.h>
+#include "engine_configuration.h"
+#include "sensor.h"
+#include "error_handling.h"
 
 #include "injector_model.h"
 #include "fuel_computer.h"

firmware/pch/pch.h

@@ -17,10 +17,12 @@
 #define TRUE (!(FALSE))
 #endif /* TRUE */
 
-#include "pch_util.h"
+#include <rusefi/arrays.h>
 #include <rusefi/crc.h>
 #include <rusefi/fragments.h>
+#include <rusefi/interpolation.h>
 #include <rusefi/isnan.h>
+#include <rusefi/math.h>
 #include <rusefi/pt2001.h>
 
 #include "efifeatures.h"
@@ -30,12 +32,13 @@
 #include "global.h"
 #include "efi_gpio.h"
 #include "tunerstudio_outputs.h"
-// evil god object lives here!
 #include "engine.h"
+#include "engine_configuration.h"
 #include "engine_controller.h"
 #include "engine_math.h"
 #include "pwm_generator_logic.h"
 #include "allsensors.h"
+#include "sensor.h"
 #include "settings.h"
 #include "efi_interpolation.h"
 #include "perf_trace.h"