remove keyboard_folder from info.json

keyboards/planck/ez/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck EZ",
-  "keyboard_folder": "planck/ez",
   "url": "https://ergodox-ez.com/pages/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck",
-  "keyboard_folder": "planck",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/light/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck Light",
-  "keyboard_folder": "planck/light",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev1/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 1",
-  "keyboard_folder": "planck/rev1",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev2/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 2",
-  "keyboard_folder": "planck/rev2",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev3/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 3",
-  "keyboard_folder": "planck/rev3",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev4/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 4",
-  "keyboard_folder": "planck/rev4",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev5/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 5",
-  "keyboard_folder": "planck/rev5",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,

keyboards/planck/rev6/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Planck rev 6",
-  "keyboard_folder": "planck/rev6",
   "url": "https://olkb.com/planck",
   "maintainer": "jackhumbert",
   "width": 12,