fix(board): delete unnecessary file and code lines

app/boards/arm/puchi_ble/Kconfig

@@ -1,13 +1,3 @@
 # Copyright (c) 2022 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
-config BOARD_ENABLE_DCDC
-	bool "Enable DCDC mode"
-	select SOC_DCDC_NRF52X
-	default y
-	depends on (BOARD_PUCHI_BLE_v1)
-
-config BOARD_PUCHI_BLE_CHARGER
-	bool "Enable battery charger"
-	default y
-	depends on (BOARD_PUCHI_BLE_v1)

app/boards/arm/puchi_ble/Kconfig.defconfig

@@ -25,11 +25,4 @@ config ZMK_USB
 config PINMUX
 	default y
 
-if BOARD_PUCHI_BLE_v1
-
-config BOARD_PUCHI_BLE_CHARGER
-	default y
-
-endif # BOARD_PUCHI_BLE_v1
-
 endif # BOARD_PUCHI_BLE_v1

app/boards/arm/puchi_ble/puchi_ble_v1.yml

@@ -1,10 +0,0 @@
-file_format: "1"
-id: puchi_ble_v1
-name: Puchi-BLE v1
-type: board
-arch: arm
-outputs:
-  - usb
-  - ble
-url: https://github.com/Keycapsss/puchi-ble
-exposes: [pro_micro]