Fix defintion for hub75 envs

platformio_override.sample.ini

@@ -537,12 +537,15 @@ build_flags = ${env:esp32dev.build_flags} -D USERMOD_RF433
 lib_deps = ${env:esp32dev.lib_deps}
   sui77/rc-switch @ 2.6.4
 
+# ------------------------------------------------------------------------------
+# Hub75 examples
+# ------------------------------------------------------------------------------
 
 [env:esp32dev_hub75]
 board = esp32dev
 upload_speed = 921600
 platform = ${esp32_idf_V4.platform}
-platform_packages = ${esp32_idf_V4.platform_packages}
+platform_packages =
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags}
   -D WLED_RELEASE_NAME=ESP32_hub75
@@ -560,7 +563,7 @@ board_build.partitions = ${esp32.default_partitions}
 ; ESP32-S3 processor, 8 MB flash, 2 MB of PSRAM, dedicated driver pins for HUB75
 board = lolin_s3_mini
 platform = ${esp32s3.platform}
-platform_packages = ${esp32s3.platform_packages}
+platform_packages =
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp32s3.build_flags} -D WLED_RELEASE_NAME=ESP32-S3_4M_qspi