AP_HAL_FLYMAPLE: remove unused write method

libraries/AP_HAL_FLYMAPLE/RCOutput.cpp

@@ -95,13 +95,7 @@ void FLYMAPLERCOutput::write(uint8_t ch, uint16_t period_us)
     pwmWrite(pin, (period_us * _clocks_per_msecond[ch]) / 1000);
 }
 
-void FLYMAPLERCOutput::write(uint8_t ch, uint16_t* period_us, uint8_t len)
-{
-    for (int i = 0; i < len; i++)
-        write(i + ch, period_us[i]); 
-}
-
-uint16_t FLYMAPLERCOutput::read(uint8_t ch) 
+uint16_t FLYMAPLERCOutput::read(uint8_t ch)
 {
     if (ch >= FLYMAPLE_RC_OUTPUT_NUM_CHANNELS)
 	return 0;

libraries/AP_HAL_FLYMAPLE/RCOutput.h

@@ -30,7 +30,6 @@ class AP_HAL_FLYMAPLE_NS::FLYMAPLERCOutput : public AP_HAL::RCOutput {
     void     enable_ch(uint8_t ch);
     void     disable_ch(uint8_t ch);
     void     write(uint8_t ch, uint16_t period_us);
-    void     write(uint8_t ch, uint16_t* period_us, uint8_t len);
     uint16_t read(uint8_t ch);
     void     read(uint16_t* period_us, uint8_t len);