Remove redundant checks for power of 0 (#2934)

* Add comment explaining necessity for second 0 check

Thank you @GUVWAF

* Update RF95Interface.cpp

* Update STM32WLE5JCInterface.cpp

* Update SX126xInterface.cpp

* Update SX128xInterface.cpp

* remove whitespace...

* Update SX128xInterface.cpp

src/mesh/STM32WLE5JCInterface.cpp

@@ -20,9 +20,6 @@ bool STM32WLE5JCInterface::init()
 
     lora.setRfSwitchTable(rfswitch_pins, rfswitch_table);
 
-    if (power == 0)
-        power = STM32WLx_MAX_POWER;
-
     if (power > STM32WLx_MAX_POWER) // This chip has lower power limits than some
         power = STM32WLx_MAX_POWER;