Cleanup - remove unused defines. (#4353)

* Cleanup - remove unused defines.

There were a number of defined variables that were carried over
from old code. - Removed.
Also a typo. - Fixed fix.
Also duplicate definitions of the number of seconds in a day.
-deduplicated.

* Cleanup - remove unused defines.

There were a number of defined variables that were carried over
from old code. - Removed.
Also a typo. - Fixed fix.
Also duplicate definitions of the number of seconds in a day.
-deduplicated.

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/mesh/NodeDB.h

@@ -204,9 +204,6 @@ extern NodeDB *nodeDB;
         prefs.is_power_saving = True
 */
 
-// Our delay functions check for this for times that should never expire
-#define NODE_DELAY_FOREVER 0xffffffff
-
 /// Sometimes we will have Position objects that only have a time, so check for
 /// valid lat/lon
 static inline bool hasValidPosition(const meshtastic_NodeInfoLite *n)
@@ -231,4 +228,4 @@ extern uint32_t error_address;
      ModuleConfig_RangeTestConfig_size + ModuleConfig_SerialConfig_size + ModuleConfig_StoreForwardConfig_size +                 \
      ModuleConfig_TelemetryConfig_size + ModuleConfig_size)
 
-// Please do not remove this comment, it makes trunk and compiler happy at the same time.
+// Please do not remove this comment, it makes trunk and compiler happy at the same time.

src/mesh/RF95Interface.cpp

@@ -16,7 +16,6 @@
 // In theory up to 27 dBm is possible, but the modules installed in most radios can cope with a max of 20.  So BIG WARNING
 // if you set power to something higher than 17 or 20 you might fry your board.
 
-#define POWER_DEFAULT 17 // How much power to use if the user hasn't set a power level
 #ifdef RADIOMASTER_900_BANDIT_NANO
 // Structure to hold DAC and DB values
 typedef struct {

src/mesh/RadioInterface.cpp

@@ -177,9 +177,6 @@ The band is from 902 to 928 MHz. It mentions channel number and its respective c
 separated by 2.16 MHz with respect to the adjacent channels. Channel zero starts at 903.08 MHz center frequency.
 */
 
-// 1kb was too small
-#define RADIO_STACK_SIZE 4096
-
 /**
  * Calculate airtime per
  * https://www.rs-online.com/designspark/rel-assets/ds-assets/uploads/knowledge-items/application-notes-for-the-internet-of-things/LoRa%20Design%20Guide.pdf