[BOARD] Activate WebUI for the bridge (beta) (#2000)

Co-authored-by: Florian <1technophile@users.noreply.github.com>

environments.ini

@@ -83,7 +83,6 @@ build_flags =
   '-DGATEWAY_MANUFACTURER="Theengs"'
   '-DGATEWAY_MODEL="TBRIDGE01"'
   ;'-DBOARD_HAS_PSRAM'
-  '-UZwebUI="WebUI"' ; Disable WebUI
   ;'-mfix-esp32-psram-cache-issue'
 custom_description = BLE gateway with external antenna and Ethernet/WiFi connectivity, [user guide](https://tbridge01.theengs.io/)
 custom_hardware = Theengs Bridge gateway ethernet
@@ -123,7 +122,6 @@ build_flags =
   '-DGATEWAY_MANUFACTURER="Theengs"'
   '-DGATEWAY_MODEL="TBRIDGE02"'
   ;'-DBOARD_HAS_PSRAM'
-  '-UZwebUI="WebUI"' ; Disable WebUI
   '-DSELF_TEST=true'
   ;'-mfix-esp32-psram-cache-issue'
 custom_description = BLE gateway with external antenna and Ethernet/WiFi connectivity, [user guide](https://tbridge02.theengs.io/)