Move matrix config to info.json, part 6 (#20019)

keyboards/handwired/brain/info.json

@@ -8,6 +8,11 @@
         "pid": "0x0001",
         "device_version": "0.0.1"
     },
+    "matrix_pins": {
+        "cols": ["D1", "D4", "C6", "D7", "E6", "B4", "B5"],
+        "rows": ["F4", "F5", "F6", "F7", "B1"]
+    },
+    "diode_direction": "COL2ROW",
     "bootmagic": {
         "matrix": [0, 6]
     },
@@ -15,6 +20,11 @@
         "soft_serial_pin": "D0",
         "bootmagic": {
             "matrix": [5, 0]
+        },
+        "matrix_pins": {
+            "right": {
+                "cols": ["B5", "B4", "E6", "D7", "C6", "D4", "D1"]
+            }
         }
     },
     "processor": "atmega32u4",