message: Don't generate merge_slice because it's not usable
diff: @@ -221,7 +221,6 @@ pub static FUNC_RENAME: Lazy<HashMap<&str, &str>> = Lazy::new(|| hashmap! {
  "cv_max_const_MatR_double" => "+_mat_f64",
  "cv_max_const_UMatR_const_UMatR_UMatR" => "+_umat_to",
  "cv_max_double_const_MatR" => "+_f64_mat",
  - "cv_merge_const_MatX_size_t_const__OutputArrayR" => "+_slice",
  "cv_minMaxLoc_const_SparseMatR_doubleX_doubleX_intX_intX" => "+_sparse",
  "cv_min_const_MatR_const_MatR" => "+_mat",
  "cv_min_const_MatR_const_MatR_MatR" => "+_mat_to",
  @@ -325,6 +324,7 @@ pub static FUNC_RENAME: Lazy<HashMap<&str, &str>> = Lazy::new(|| hashmap! {
  "cv_fastMalloc_size_t" => "-", // manual memory allocation
  "cv_format_const_charX" => "-", // 3.2 accepts varargs, duplicate definition
  "cv_hconcat_const_MatX_size_t_const__OutputArrayR" => "-", // duplicate of cv_hconcat_VectorOfMat_Mat, but with pointers
  + "cv_merge_const_MatX_size_t_const__OutputArrayR" => "-", // duplicate of cv_merge_const__InputArrayR_const__OutputArrayR, but with pointers
  "cv_mixChannels_const_MatX_size_t_MatX_size_t_const_intX_size_t" => "-", // duplicate of cv_mixChannels_VectorOfMat_VectorOfMat_VectorOfint, but with pointers
  "cv_ocl_ProgramSource_ProgramSource_const_charX" => "-", // has duplicate with String
  "cv_setImpl_int" => "-",
  