create sensor template in platformio.ini, update heltec v3 and rak4631 to use new template

variants/heltec_v3/platformio.ini

@@ -3,6 +3,7 @@ extends = esp32_base
 board = esp32-s3-devkitc-1
 build_flags =
   ${esp32_base.build_flags}
+  ${sensor_base.build_flags}
   -I variants/heltec_v3
   -D HELTEC_LORA_V3
   -D RADIO_CLASS=CustomSX1262
@@ -17,12 +18,6 @@ build_flags =
   -D SX126X_DIO3_TCXO_VOLTAGE=1.8
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
-  -D ENV_INCLUDE_AHTX0=1
-  -D ENV_INCLUDE_BME280=1
-  -D ENV_INCLUDE_BMP280=1
-  -D ENV_INCLUDE_INA3221=1
-  -D ENV_INCLUDE_INA219=1
-  -D ENV_INCLUDE_GPS=1
   -D PIN_GPS_RX=47
   -D PIN_GPS_TX=48
   -D PIN_GPS_EN=26
@@ -31,13 +26,7 @@ build_src_filter = ${esp32_base.build_src_filter}
   +<helpers/sensors>
 lib_deps =
   ${esp32_base.lib_deps}
-  adafruit/Adafruit SSD1306 @ ^2.5.13
-  adafruit/Adafruit INA3221 Library @ ^1.0.1
-  adafruit/Adafruit INA219 @ ^1.2.3
-  adafruit/Adafruit AHTX0 @ ^2.0.5
-  adafruit/Adafruit BME280 Library @ ^2.3.0
-  adafruit/Adafruit BMP280 Library@^2.6.8
-  stevemarple/MicroNMEA @ ^2.0.6
+  ${sensor_base.lib_deps}
 
 [env:Heltec_v3_repeater]
 extends = Heltec_lora32_v3
@@ -157,8 +146,6 @@ build_flags =
   -D ADMIN_PASSWORD='"password"'
   -D ENV_PIN_SDA=33
   -D ENV_PIN_SCL=34
-  -D ENV_INCLUDE_MLX90614=1
-  -D ENV_INCLUDE_VL53L0X=1
   -D DISPLAY_CLASS=SSD1306Display
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
@@ -168,8 +155,6 @@ build_src_filter = ${Heltec_lora32_v3.build_src_filter}
 lib_deps =
   ${Heltec_lora32_v3.lib_deps}
   ${esp32_ota.lib_deps}
-  adafruit/Adafruit MLX90614 Library @ ^2.1.5
-  adafruit/Adafruit_VL53L0X @ ^1.2.4
 
 [env:Heltec_WSL3_repeater]
 extends = Heltec_lora32_v3