[all] Issue #592 - Sticky switches: more code rewritten, more flash

saved on 9x stock. Logical Switches Delay and Duration modified on
Taranis and Sky9x

radio/src/eeprom_raw.cpp

@@ -383,7 +383,6 @@ void eeLoadModel(uint8_t id)
       resumePulses();
     }
 
-    activeSwitches = 0;
     activeFnSwitches = 0;
     activeFunctions = 0;
     memclear(lastFunctionTime, sizeof(lastFunctionTime));