Remove extra SGPIO API calls.

Functions are now performed in rf_path_set_direction().

firmware/sgpio-rx/sgpio-rx.c

@@ -29,9 +29,6 @@
 #include <tuning.h>
 
 void tx_test() {
-	sgpio_set_slice_mode(false);
-	sgpio_configure(TRANSCEIVER_MODE_TX);
-	
 	// LSB goes out first, samples are 0x<Q1><I1><Q0><I0>
 	volatile uint32_t buffer[] = {
 		0xda808080,
@@ -51,9 +48,6 @@ void tx_test() {
 }
 
 void rx_test() {
-	sgpio_set_slice_mode(false);
-	sgpio_configure(TRANSCEIVER_MODE_RX);
-
     volatile uint32_t buffer[4096];
     uint32_t i = 0;
 	uint32_t magsq;