Simplify pio file

Author: mathieucarbou

platformio.ini

@@ -10,6 +10,8 @@ src_dir = examples/SimpleServer
 
 [env]
 framework = arduino
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
+board = esp32dev
 build_flags = 
   -Og
   -Wall -Wextra
@@ -32,32 +34,27 @@ lib_deps =
   ; bblanchon/ArduinoJson @ 6.21.5
   bblanchon/ArduinoJson @ 7.3.0
   ESP32Async/AsyncTCP @ 3.3.2
-board = esp32dev
 board_build.partitions = partitions-4MB.csv
 board_build.filesystem = littlefs
 
 [env:arduino-2]
 platform = [email protected]
 
 [env:arduino-3]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
 ; board = esp32-s3-devkitc-1
 ; board = esp32-c6-devkitc-1
 
 [env:arduino-3-no-json]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
-; board = esp32-s3-devkitc-1
-; board = esp32-c6-devkitc-1
 lib_deps = 
   ESP32Async/AsyncTCP @ 3.3.2
+; board = esp32-s3-devkitc-1
+; board = esp32-c6-devkitc-1
 
 [env:perf-test-AsyncTCP]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
 build_flags = ${env.build_flags}
   -D PERF_TEST=1
 
 [env:perf-test-AsyncTCPSock]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
 lib_deps = 
   https://github.com/ESP32Async/AsyncTCPSock/archive/refs/tags/v1.0.3-dev.zip
 build_flags = ${env.build_flags}
@@ -90,11 +87,9 @@ platform = [email protected]
 board = ${sysenv.PIO_BOARD}
 
 [env:ci-arduino-3]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
 board = ${sysenv.PIO_BOARD}
 
 [env:ci-arduino-3-no-json]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/53.03.11/platform-espressif32.zip
 board = ${sysenv.PIO_BOARD}
 lib_deps = 
   ESP32Async/AsyncTCP @ 3.3.2