Pull information from config.h and rules.mk (#2711)

* Pull information from config.h and rules.mk

* Readd the kbd75 maintainer

keyboards/clueboard/2x1800/info.json

@@ -1,9 +1,7 @@
 {
     "keyboard_name": "CB 2x1800", 
-    "identifier": "", 
     "url": "", 
-    "maintainer": "qmk", 
-    "processor": "at90usb1286", 
+    "maintainer": "skullydazed", 
     "bootloader": "teensy", 
     "width": 24, 
     "height": 6.5, 

keyboards/clueboard/60/info.json

@@ -1,10 +1,7 @@
 {
   "keyboard_name": "clueboard/60",
-  "manufacturer": "Clueboard",
-  "identifier": "0483:df11",
   "maintainer": "skullydazed",
   "url": "",
-  "processor": "stm32f303",
   "bootloader": "stm32-dfu-util",
   "width": 15,
   "height": 5,

keyboards/clueboard/66/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Clueboard 66%",
-  "processor": "atmega32u4",
   "bootloader": "atmel-dfu",
   "width": 16.5,
   "height": 5,

keyboards/clueboard/66/rev1/info.json

@@ -1,3 +0,0 @@
-{
-  "identifier":"c1ed:2301:0003"
-}

keyboards/clueboard/66/rev2/info.json

@@ -1,3 +0,0 @@
-{
-  "identifier":"c1ed:2320:0001"
-}

keyboards/clueboard/66/rev3/info.json

@@ -1,3 +0,0 @@
-{
-  "identifier":"c1ed:2370:0001"
-}

keyboards/clueboard/66_hotswap/gen1/info.json

@@ -1,3 +0,0 @@
-{
-  "identifier":"c1ed:2390:0001"
-}

keyboards/clueboard/66_hotswap/info.json

@@ -1,6 +1,5 @@
 {
   "keyboard_name": "Clueboard 66% HotSwap",
-  "processor": "atmega32u4",
   "bootloader": "atmel-dfu",
   "width": 16.5,
   "height": 5,