Remove bluetooth_proxy from customizations

It will exceed memory

.test/esphome_advanced_climate_heat_customizations.yaml

@@ -28,9 +28,6 @@ binary_sensor:
     lambda: |-
       return (current_page->state != "screensaver");
 
-# Enable Bluetooth proxy
-bluetooth_proxy:
-
 button:
   # Adds a button to put the panel to sleep
   - name: ${device_name} Sleep
@@ -238,6 +235,4 @@ wifi:
     - ssid: !secret wifi_ssid_backup
       password: !secret wifi_password_backup
       priority: 0
-  # Set Wi-Fi power save mode to "LIGHT" as required for Bluetooth on ESP32
-  power_save_mode: LIGHT
 ...