remove .3w file support for davinci mini w

src/dev/fdm/XYZ.daVinci.Mini.w

@@ -22,8 +22,6 @@
     "cmd":{
         "fan_power": "M106 S{fan_speed}"
     },
-    "proc": "kiri_fdm_xyz_mini_w",
-    "file-ext": "3w",
     "settings":{
         "origin_center": false,
         "extrude_abs": true,

src/mode/fdm/driver.js

@@ -46,11 +46,6 @@
         return params;
     }
 
-    // customer gcode post function for XYZ daVinci Mini W
-    self.kiri_fdm_xyz_mini_w = function(gcode, options) {
-        return btoa("; filename = kirimoto.gcode\n; machine = dv1MW0A000\n" + gcode);
-    };
-
     // defer loading until KIRI.client and KIRI.worker exist
     KIRI.loader.push(function(API) {