Lots of environmental telemetry sensor cleanup (#1574)

src/main.cpp

@@ -91,7 +91,7 @@ uint32_t serialSinceMsec;
 bool axp192_found;
 
 // Array map of sensor types (as array index) and i2c address as value we'll find in the i2c scan
-uint8_t nodeTelemetrySensorsMap[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+uint8_t nodeTelemetrySensorsMap[6] = { 0, 0, 0, 0, 0, 0 };
 
 Router *router = NULL; // Users of router don't care what sort of subclass implements that API