Whitespace cleanup to quiet new blank line at EOF git hook.

src/drivers/barometer/bmp280/BMP280_I2C.cpp

@@ -116,4 +116,3 @@ BMP280_I2C::get_calibration(uint8_t addr)
 		return nullptr;
 	}
 }
-

src/drivers/barometer/mpl3115a2/mpl3115a2_main.cpp

@@ -93,4 +93,3 @@ extern "C" int mpl3115a2_main(int argc, char *argv[])
 	ThisDriver::print_usage();
 	return -1;
 }
-

src/drivers/barometer/ms5611/ms5611_spi.cpp

@@ -259,4 +259,3 @@ MS5611_SPI::_transfer(uint8_t *send, uint8_t *recv, unsigned len)
 {
 	return transfer(send, recv, len);
 }
-