Removing unneeded variables

ampel-firmware/config.public.h

@@ -80,20 +80,6 @@
 // WARNING: Writing too often might damage the ESP memory
 #  define CSV_INTERVAL 300 // [s]
 
-// Residual heat from CO2 sensor seems to be high enough to change the temperature reading. How much should it be offset?
-// NOTE: Sign isn't relevant. The returned temperature will always be shifted down.
-#  define TEMPERATURE_OFFSET -3 // [K]
-
-// Altitude above sea level
-// Used for CO2 calibration
-// here: Stuttgart, Schellingstr. 24. (Source: Google Earth)
-#  define ALTITUDE_ABOVE_SEA_LEVEL 260 // [m]
-
-// The reference CO2 concentration has to be within the range 400 ppm ≤ cref(CO2) ≤ 2000 ppm.
-// Used for CO2 calibration
-// here : measured concentration in Stuttgart
-#  define ATMOSPHERIC_CO2_CONCENTRATION 425 // [ppm]
-
 // Should the sensor try to calibrate itself?
 // Sensirion recommends 7 days of continuous readings with at least 1 hour a day of 'fresh air' for self-calibration to complete.
 #  define AUTO_CALIBRATE_SENSOR false // [true / false]