Migrate from Boards to Variant, remove hardcoded versions, remove customn directories and some cleanup

mcu-nspanel-bedroom.yaml

@@ -21,9 +21,11 @@ esphome:
       - switch.turn_on: screen_power
 
 esp32:
-  board: nodemcu-32s
+  variant: esp32
   framework:
     type: esp-idf
+    advanced:
+      minimum_chip_revision: "3.0"
 
 external_components:
   - source:
@@ -31,10 +33,6 @@ external_components:
       url: https://github.com/sairon/esphome-nspanel-lovelace-ui
       ref: dev
     components: [nspanel_lovelace]
-  - source: github://pr#7942
-    components: adc
-    refresh: 0s
-  - source: components
   
 packages:
   common: !include common/common.yaml