Migrate MCU and BOOTLOADER to data-driven (#19529)

keyboards/omnikeyish/info.json

@@ -8,6 +8,8 @@
         "pid": "0x0666",
         "device_version": "13.3.7"
     },
+    "processor": "at90usb1286",
+    "bootloader": "halfkay",
     "layouts": {
         "LAYOUT_all": {
             "layout": [ {"label":"P11", "x":0, "y":0}, {"label":"P12", "x":1, "y":0}, {"label":"Esc", "x":2.6667, "y":0}, {"label":"F1", "x":4.6667, "y":0}, {"label":"F2", "x":5.6667, "y":0}, {"label":"F3", "x":6.6667, "y":0}, {"label":"F4", "x":7.6667, "y":0}, {"label":"F5", "x":9.1667, "y":0}, {"label":"F6", "x":10.1667, "y":0}, {"label":"F7", "x":11.1667, "y":0}, {"label":"F8", "x":12.1667, "y":0}, {"label":"F9", "x":13.6667, "y":0}, {"label":"F10", "x":14.6667, "y":0}, {"label":"F11", "x":15.6667, "y":0}, {"label":"F12", "x":16.6667, "y":0}, {"label":"PrtSc", "x":18.1667, "y":0}, {"label":"Scroll Lock", "x":19.1667, "y":0}, {"label":"Pause", "x":20.1667, "y":0}, {"x":21.6667, "y":0}, {"x":22.6667, "y":0}, {"x":23.6667, "y":0}, {"x":24.6667, "y":0},

keyboards/omnikeyish/rules.mk

@@ -1,9 +1,3 @@
-# MCU name
-MCU = at90usb1286
-
-# Bootloader selection
-BOOTLOADER = halfkay
-
 # Build Options
 #   change yes to no to disable
 #