compilation warning removal: allocate_REs set but not used

I removed this variable entirely because it's not used.

Maybe the bug is that it's not used after being set?
To be checked and fixed at some point.

openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c

@@ -2015,6 +2015,8 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
   int16_t qam16_table_a1[4],qam64_table_a1[8],qam16_table_b1[4],qam64_table_b1[8];
 
   int16_t *qam_table_s0=NULL,*qam_table_s1=NULL;
+#if 0
+  /* TODO: variable to be removed? */
   int (*allocate_REs)(PHY_VARS_eNB*,
                       int **,
                       uint32_t*,
@@ -2036,6 +2038,7 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
                       uint8_t,
                       int *,
                       int *);
+#endif
 
   int P1_SHIFT[13],P2_SHIFT[13];
   int offset,nushiftmod3;
@@ -2242,7 +2245,10 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
     re_offset = frame_parms->first_carrier_offset;
     symbol_offset = (uint32_t)frame_parms->ofdm_symbol_size*(l+(subframe_offset*nsymb));
 
+#if 0
+    /* TODO: remove this code? */
     allocate_REs = allocate_REs_in_RB;
+#endif
 
     switch (mod_order0) {
     case 2:
@@ -2251,15 +2257,21 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
     case 4:
       if (pilots) {
         qam_table_s0 = qam16_table_b0;
+#if 0
+        /* TODO: remove this code? */
         allocate_REs = (dlsch0->harq_processes[harq_pid]->mimo_mode == SISO) ?
           allocate_REs_in_RB_pilots_16QAM_siso :
           allocate_REs_in_RB;
+#endif
       }
       else {
         qam_table_s0 = qam16_table_a0;
+#if 0
+        /* TODO: remove this code? */
         allocate_REs = (dlsch0->harq_processes[harq_pid]->mimo_mode == SISO) ?
           allocate_REs_in_RB_no_pilots_16QAM_siso :
           allocate_REs_in_RB;
+#endif
 
       }
       break;
@@ -2267,15 +2279,21 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
     case 6:
       if (pilots) {
         qam_table_s0 = qam64_table_b0;
+#if 0
+        /* TODO: remove this code? */
         allocate_REs = (dlsch0->harq_processes[harq_pid]->mimo_mode == SISO) ?
           allocate_REs_in_RB_pilots_64QAM_siso :
           allocate_REs_in_RB;
+#endif
       }
       else {
         qam_table_s0 = qam64_table_a0;
+#if 0
+        /* TODO: remove this code? */
         allocate_REs = (dlsch0->harq_processes[harq_pid]->mimo_mode == SISO) ?
           allocate_REs_in_RB_no_pilots_64QAM_siso :
           allocate_REs_in_RB;
+#endif
       }
       break;
 
@@ -2284,7 +2302,10 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
     switch (mod_order1) {
     case 2:
       qam_table_s1 = NULL;
+#if 0
+        /* TODO: remove this code? */
       allocate_REs = allocate_REs_in_RB;
+#endif
       break;
     case 4:
       if (pilots) {