remove unused function

srsue/hdr/phy/phch_worker.h

@@ -67,8 +67,6 @@ public:
   int read_pdsch_d(cf_t *pdsch_d);
   void start_plot();
 
-  float get_ref_cfo();
-  
 private:
   /* Inherited from thread_pool::worker. Function called every subframe to run the DL/UL processing */
   void work_imp();

srsue/src/phy/phch_recv.cc

@@ -1256,7 +1256,7 @@ int phch_recv::scell_recv::find_cells(cf_t *input_buffer, float rx_gain_offset,
         srslte_sync_reset(&sync_find);
         srslte_sync_cfo_reset(&sync_find);
 
-        int sf5_cnt=0;
+        uint32_t sf5_cnt=0;
         do {
           sync_res = srslte_sync_find(&sync_find, input_buffer, sf5_cnt*5*sf_len, &peak_idx);
         } while(sync_res != SRSLTE_SYNC_FOUND && sf5_cnt < nof_sf/5);

srsue/src/phy/phch_worker.cc

@@ -141,10 +141,6 @@ bool phch_worker::init(uint32_t max_prb, srslte::log *log_h, chest_feedback_itf
   return true;
 }
 
-float phch_worker::get_ref_cfo() {
-  return srslte_chest_dl_get_cfo(&ue_dl.chest);
-}
-
 bool phch_worker::set_cell(srslte_cell_t cell_)
 {
   if (cell.id != cell_.id || !cell_initiated) {