message: [language][trivial] Remove unused function
  After removing the runtime tests this function is not needed any longer
  Closes:
  Approved by: vgao1996
diff: @@ -1022,24 +1022,6 @@ impl Locals {
  }
  }
  - // called from test, revisit and delete
  - pub fn equals(&self, other: &Locals) -> bool {
  - if self.0.len() != other.0.len() {
  - return false;
  - }
  - for (a, b) in self.0.iter().zip(&other.0) {
  - match a.equals(b) {
  - Ok(res) => {
  - if !res {
  - return false;
  - }
  - }
  - Err(_) => return false,
  - }
  - }
  - true
  - }
  -
  pub fn pretty_string(&self) -> String {
  let mut locals = "".to_string();
  for (i, local) in self.0.iter().enumerate() {
  