Update V1Engineering.MPCNC fix json formating

fix SyntaxError: Unexpected token ] in JSON at position 187
    at JSON.parse (<anonymous>)

src/kiri-dev/cam/V1Engineering.MPCNC

@@ -1,10 +1,10 @@
 {
-    "file-ext": "nc",
-    "token-space": " ",
-    "strip-comments": true,
+   "file-ext":"nc",
+   "token-space":" ",
+   "strip-comments":true,
    "pre":[
       "G21 ; set units to MM (required)",
-        "G90 ; absolute position mode (required)",
+      "G90 ; absolute position mode (required)"
    ],
    "post":[
       "M30 ; program end"
@@ -15,11 +15,10 @@
    "dwell":[
       "G4 P{time} ; dwell for {time}ms"
    ],
-    "settings": {
-        "origin_center": false,
-        "bed_width": 450,
-        "bed_depth": 330,        
-        "build_height": 81
-
+   "settings":{
+      "origin_center":false,
+      "bed_width":450,
+      "bed_depth":330,
+      "build_height":81
    }
 }