Removed some unused dependencies.

vitamins/iec.scad

@@ -20,7 +20,7 @@
 //
 //! IEC mains inlets and outlet.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
 use <screw.scad>
 use <nut.scad>
 use <washer.scad>

vitamins/module.scad

@@ -20,7 +20,9 @@
 //
 //! Random screw down modules. Currently just DROK buck converters.
 //
-include <../core.scad>
+include <../utils/core/core.scad>
+use <screw.scad>
+use <nut.scad>
 
 function mod_part(type)   = type[1];        //! Description
 function mod_length(type) = type[2];        //! Body length

vitamins/servo_motor.scad

@@ -19,7 +19,7 @@
 //! BLDC servos for CNC machines
 //
 
-include <../core.scad>
+include <../utils/core/core.scad>
 include <../utils/tube.scad>
 include <../utils/round.scad>
 include <../utils/quadrant.scad>

vitamins/sk_bracket.scad

@@ -20,9 +20,8 @@
 //! SK shaft support brackets
 //
 include <../core.scad>
-include <../utils/fillet.scad>
+use <../utils/fillet.scad>
 
-use <washer.scad>
 
 sk_bracket_colour = grey(70);
 

vitamins/stepper_motor.scad

@@ -27,7 +27,6 @@ include <../vitamins/pin_headers.scad>
 use <../utils/tube.scad>
 use <../utils/thread.scad>
 use <../utils/round.scad>
-use <washer.scad>
 use <rod.scad>
 
 function NEMA_width(type)        = type[1]; //! Width of the square face