Fix "arduino-external-libs" example

Author: ivankravets

examples/arduino-external-libs/platformio.ini

@@ -7,45 +7,41 @@
 ; Please visit documentation for the other options and examples
 ; http://docs.platformio.org/page/projectconf.html
 
+[env]
+lib_deps = sparkfun/Sparkfun BMP180
+
 [env:bluepill_f103c8]
 platform = ststm32
 framework = arduino
 board = bluepill_f103c8
-lib_deps = BMP180
 
 [env:bluepill_f103c8_128k]
 platform = ststm32
 framework = arduino
 board = bluepill_f103c8_128k
-lib_deps = BMP180
 
 [env:maple]
 platform = ststm32
 framework = arduino
 board = maple
-lib_deps = BMP180
 
 [env:genericSTM32F103RB]
 platform = ststm32
 framework = arduino
 board = genericSTM32F103RB
-lib_deps = BMP180
 
 [env:bluepill_f103c8_stm32_core]
 platform = ststm32
 framework = arduino
 board = bluepill_f103c8
 build_flags = -DPIO_FRAMEWORK_ARDUINO_OFFICIAL
-lib_deps = BMP180
 
 [env:nucleo_l432kc]
 platform = ststm32
 board = nucleo_l432kc
 framework = arduino
-lib_deps = BMP180
 
 [env:nucleo_f401re]
 platform = ststm32
 board = nucleo_f401re
 framework = arduino
-lib_deps = BMP180