Remove spurious debug printf

vmmTblApp/src/vmm_tbl.cpp

@@ -38,7 +38,6 @@ asynStatus VMMTbl::readInt32(asynUser *pasynUser, epicsInt32 *value) {
 
   if (function == vmmIsAcquiring_) {
     result = this->pVmmAPI->isAcquiring(tmp_val_bool);
-    printf("Is acquiring: %d\n", tmp_val_bool);
     *value = tmp_val_bool;
     goto endOfReadInt32;
   }