Remove superfluous function declaration.

DSTAT/src/experiment.c

@@ -41,8 +41,6 @@ static void porte_int0_lsv(void);
 static void tcf0_ovf_callback(void);
 static void tce1_ovf_callback_lsv(void);
 static void lsv_cca_callback(void);
-static void lsv_dma_callback(void);
-static void lsv_dma_callback1(void);
 static void ca_cca_callback(void);
 static void portd_int0_ca(void);
 static uint8_t _swv_singledir(uint16_t dacindex, uint16_t dacindex_stop, uint16_t dacindex_pulse_height, uint16_t dacindex_step, uint8_t direction);