message: delete unnecessary comments
diff: @@ -273,7 +273,6 @@ impl VarBinding {
  &mut self.btype
  }
  - //XXX issue119
  pub fn name(&self) -> &str {
  &*self.name
  }
  @@ -1014,17 +1013,15 @@ impl RadecoFunction {
  &self.bindings
  }
  - //XXX? issue119
  pub fn bindings_mut(&mut self) -> &mut VarBindings {
  &mut self.bindings
  }
  - //TODO
  + //TODO issue119
  pub fn call_sites(&self) -> &Vec<CallContextInfo> {
  unimplemented!()
  }
  - //XXX issue119
  pub fn datarefs(&self) -> &Vec<u64> {
  &self.datarefs
  }
  @@ -1038,9 +1035,7 @@ impl RadecoFunction {
  #[derive(Clone, Debug, Default)]
  pub struct CallContextInfo {
  /// NodeIndex mapping from a node in the caller's context to a node in callee's context
  - //TODO issue119
  pub map: Vec<(NodeIndex, NodeIndex)>,
  - // pub map: HashMap<NodeIndex, NodeIndex>,
  /// NodeIndex corresponding to callsite (`OpCall`) in the caller context
  pub csite_node: NodeIndex,
  /// Address of callsite
  