Remove unneeded headers from pcbnew_scripting_helpers.h

pcbnew/exporters/gerber_jobfile_writer.h

@@ -30,7 +30,7 @@
 #ifndef GERBER_JOBFILE_WRITER_H
 #define GERBER_JOBFILE_WRITER_H
 
-#include <nlohmann/json_fwd.hpp>
+#include <nlohmann/json.hpp>
 
 
 // A helper enum to handle sides of some layers (silk, mask)

pcbnew/python/scripting/pcbnew_scripting_helpers.h

@@ -25,9 +25,15 @@
 #ifndef __PCBNEW_SCRIPTING_HELPERS_H
 #define __PCBNEW_SCRIPTING_HELPERS_H
 
-#include <pcb_edit_frame.h>
+#include <deque>
 #include <io_mgr.h>
 
+class PCB_EDIT_FRAME;
+class BOARD;
+class SETTINGS_MANAGER;
+class BOARD_ITEM;
+enum class EDA_UNITS;
+
 /* we could be including all these methods as static in a class, but
  * we want plain pcbnew.<method_name> access from python
  */