Remove an unused (and incorrect in any case) function

Enclave/OblivAlgs/utils.cpp

@@ -372,15 +372,6 @@ uint64_t pow2_lt(uint64_t N) {
 }
 
 
-// Returns largest power of two greater than N
-uint64_t pow2_gt(uint64_t N) {
-  uint64_t N1 = 1;
-  while (N1 < N) {
-    N1 <<= 1;
-  }
-  return N1;
-}
-
 #ifndef BEFTS_MODE
 /*
  * printf:

Enclave/OblivAlgs/utils.hpp

@@ -99,7 +99,6 @@
   int calculatelog2(uint64_t value);
   int calculatelog2_floor(uint64_t value);
   uint64_t pow2_lt(uint64_t N);
-  uint64_t pow2_gt(uint64_t N);
 
   void merge(unsigned char *data, size_t l, size_t m, size_t r, unsigned char* (*comparator)(unsigned char*, unsigned char*));
   void mergeSort(unsigned char *data, size_t data_size, size_t start_index, size_t end_index, unsigned char* (*comparator)(unsigned char*, unsigned char*));