Revert addition of ENV_PIN_SDA

Author: oltaco

variants/wio-tracker-l1/platformio.ini

@@ -15,8 +15,6 @@ build_flags = ${nrf52_base.build_flags}
   -D SX126X_RX_BOOSTED_GAIN=1
   -D PIN_OLED_RESET=-1
   -D GPS_BAUD_RATE=9600
-  -D ENV_PIN_SDA=PIN_WIRE1_SDA
-  -D ENV_PIN_SCL=PIN_WIRE1_SCL
 build_src_filter = ${nrf52_base.build_src_filter}
   +<WioTrackerL1Board.cpp>
   +<../variants/wio-tracker-l1>