Remove esp8266 core variants

better placed in platformio cenv

platformio_override_sample.ini

@@ -78,39 +78,6 @@ extra_scripts               = ${scripts_defaults.extra_scripts}
 
 lib_extra_dirs              = ${library.lib_extra_dirs}
 
-[core]
-; Activate only (one set) if you want to override the standard core defined in platformio.ini !!!
-
-;platform_packages           = ${tasmota_stage.platform_packages}
-;build_unflags               = ${tasmota_stage.build_unflags}
-;build_flags                 = ${tasmota_stage.build_flags}
-
-;platform_packages           = ${core_stage.platform_packages}
-;build_unflags               = ${core_stage.build_unflags}
-;build_flags                 = ${core_stage.build_flags}
-
-
-[tasmota_stage]
-; *** Esp8266 core for Arduino version Tasmota stage. Backport for PWM selection
-platform_packages           = tasmota/framework-arduinoespressif8266 @ ~2.7.4
-build_unflags               = ${esp_defaults.build_unflags}
-build_flags                 = ${esp82xx_defaults.build_flags}
-; *** Use ONE of the two PWM variants. Tasmota default is Locked PWM
-                              ;-DWAVEFORM_LOCKED_PHASE
-                              -DWAVEFORM_LOCKED_PWM
-
-[core_stage]
-; *** Esp8266 core for Arduino version stage
-platform_packages           = framework-arduinoespressif8266 @ https://github.com/esp8266/Arduino.git
-; *** Use Xtensa build chain 10.2. GNU23 from https://github.com/earlephilhower/esp-quick-toolchain
-                              tasmota/toolchain-xtensa @ 5.100200.210303
-build_unflags               = ${esp_defaults.build_unflags}
-                              -Wswitch-unreachable
-build_flags                 = ${esp82xx_defaults.build_flags}
-; *** Use ONE of the two PWM variants. Tasmota default is Locked PWM
-                              ;-DWAVEFORM_LOCKED_PHASE
-                              -DWAVEFORM_LOCKED_PWM
-                              -Wno-switch-unreachable
 
 [common32]
 platform_packages           = ${core32.platform_packages}