message: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  Summary:
  which was removed in
  This is a backport of libsecp256k1 PR677
  Test Plan:
  ninja check-secp256k1
  Reviewers: #bitcoin_abc, Fabien
diff: @@ -138,7 +138,7 @@ static void secp256k1_ecmult_odd_multiples_table(int n, secp256k1_gej *prej, sec
  * It only operates on tables sized for WINDOW_A wnaf multiples.
  * - secp256k1_ecmult_odd_multiples_table_storage_var, which converts its
  * resulting point set to actually affine points, and stores those in pre.
  - * It operates on tables of any size, but uses heap-allocated temporaries.
  + * It operates on tables of any size.
  *
  * To compute a*P + b*G, we compute a table for P using the first function,
  * and for G using the second (which requires an inverse, but it only needs to
  