Merge pull request #209 from alxnik/master

Removed duplicate board definition

Author: vitotai

platformio.ini

@@ -231,7 +231,6 @@ board_build.flash_mode = dout
 board = esp01_1m
 board_flash_mode = dout
 platform = espressif8266@~1.8.0
-board = esp01_1m
 framework = arduino
 lib_extra_dirs = ./lib_async
 build_flags = -Wl,-Tesp8266.flash.1m64.ld -DBOARD=Sonoff -DNO_SPIFFS -DUseClassicFrontEnd=true