Move G92 to cpp

Marlin/src/Marlin.cpp

  ***************** GCode Handlers *****************
  **************************************************/
 
-#include "gcode/geometry/G92.h"
-
 #if HAS_RESUME_CONTINUE
   #include "gcode/lcd/M0_M1.h"
 #endif

Marlin/src/gcode/gcode.cpp

 //
 // Placeholders for non-migrated codes
 //
-extern void gcode_G92();
 extern void gcode_M0_M1();
 extern void gcode_M3_M4(bool is_M3);
 extern void gcode_M5();
         relative_mode = true;
         break;
 
-      case 92: // G92
-        gcode_G92();
+      case 92: // G92 - Set current axis position(s)
+        G92();
         break;
 
       #if HAS_MESH

Marlin/src/gcode/geometry/G92.h → Marlin/src/gcode/geometry/G92.cpp

  *
  */
 
+#include "../gcode.h"
+#include "../../module/motion.h"
+#include "../../module/stepper.h"
+
+#if ENABLED(I2C_POSITION_ENCODERS)
+  #include "../../feature/I2CPositionEncoder.h"
+#endif
+
 /**
  * G92: Set current position to given X Y Z E
  */
-void gcode_G92() {
+void GcodeSuite::G92() {
   bool didXYZ = false,
        didE = parser.seenval('E');