Configure boards to use development_board - UVWXYZ (#25288)

keyboards/ungodly/nines/keyboard.json

···
       {"pin_a": "E6", "pin_b": "B4", "resolution": 2}
     ]
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "features": {
     "bootmagic": true,
     "encoder": true,

keyboards/unikeyboard/diverge3/keyboard.json

···
       "pin": "D0"
     }
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/unikeyboard/divergetm2/keyboard.json

···
             "pin": "D0"
         }
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layout_aliases": {
         "LAYOUT_ortho_4x12_2x2u": "LAYOUT"
     },

keyboards/unikeyboard/felix/keyboard.json

···
     "pin": "C6",
     "levels": 5
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "community_layouts": ["ortho_5x4"],
   "layout_aliases": {
     "LAYOUT": "LAYOUT_ortho_5x4"

keyboards/uzu42/rev1/keyboard.json

···
       "twinkle": true
     }
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/vagrant_10/keyboard.json

···
     "rows": ["F7", "B1", "B3", "B2"]
   },
   "diode_direction": "COL2ROW",
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/wsk/alpha9/keyboard.json

···
   "ws2812": {
     "pin": "F4"
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/wsk/g4m3ralpha/keyboard.json

···
     "rows": ["D4", "B4", "B5", "D1"]
   },
   "diode_direction": "COL2ROW",
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/wsk/jerkin/keyboard.json

···
         "rows": ["B3", "B4", "B5"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/wsk/kodachi50/keyboard.json

···
         "rows": ["D2", "B5", "B6", "B2", "B3", "B1", "F7", "F6"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/wsk/pain27/keyboard.json

···
         "rows": ["F4", "F5", "D0"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/xenon/keyboard.json

···
       "pin": "D2"
     }
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/yampad/keyboard.json

···
         "rows": ["C6", "D7", "E6", "B4", "B5"]
     },
     "diode_direction": "COL2ROW",
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "debounce": 2,
     "layouts": {
         "LAYOUT": {

keyboards/yeehaw/keyboard.json

···
   "ws2812": {
     "pin": "B2"
   },
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "features": {
     "bootmagic": false,
     "encoder": true,

keyboards/yosino58/rev1/keyboard.json

···
     "ws2812": {
         "pin": "D3"
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/yushakobo/navpad/10/info.json

···
             "rgb_test": true
         }
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina"
+    "development_board": "promicro"
 }

keyboards/yushakobo/navpad/10_helix_r/keyboard.json

···
             "rgb_test": true
         }
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/yushakobo/quick17/keyboard.json

···
     "ws2812": {
         "pin": "D2"
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "layouts": {
         "LAYOUT": {
             "layout": [

keyboards/yushakobo/quick7/keyboard.json

···
     "ws2812": {
         "pin": "D3"
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "features": {
         "bootmagic": true,
         "command": true,

keyboards/yynmt/dozen0/keyboard.json

···
     "rows": ["F4"]
   },
   "diode_direction": "COL2ROW",
-  "processor": "atmega32u4",
-  "bootloader": "caterina",
+  "development_board": "promicro",
   "layouts": {
     "LAYOUT": {
       "layout": [

keyboards/zigotica/z12/keyboard.json

···
             {"pin_a": "B6", "pin_b": "B2"}
         ]
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "build": {
         "lto": true
     },

keyboards/zigotica/z34/keyboard.json

···
             "resync": true
         }
     },
-    "processor": "atmega32u4",
-    "bootloader": "caterina",
+    "development_board": "promicro",
     "matrix_pins": {
         "direct": [
             ["C6", "F7", "F6", "F5", "F4"],